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Mrs. Lynne M. Kosmach, APRN, CNP, CDE

Accepting New Patients
Specializes in: Family Medicine and Endocrinology
Professional interests include: type 2 diabetes, cholesterol problems (lipid disorders), gestational diabetes (diabetes during pregnancy), and more.
502 EAST 2ND STREET
DULUTH, MN 55805

Mrs. Lynne M. Kosmach, APRN, CNP, CDE is a nurse in DULUTH, MN specializing in family medicine and endocrinology. Mrs. Lynne M. Kosmach, APRN, CNP, CDE is affiliated with Essentia Health and THE DULUTH CLINIC LTD.

View Provider's Full Profile (218) 786-8364

Office Locations

502 EAST 2ND STREET
DULUTH, MN 55805
open_in_new

Some issues Mrs. Lynne M. Kosmach, APRN, CNP, CDE can help you with:

Polycystic Ovary Syndrome (PCOS)

Polycystic ovarian syndrome is a common endocrine disorder that causes symptoms such as acne, facial hair, and weight gain. It is often diagnosed when patients experience problems getting pregnant, because PCOS can interfere with ovulation. There is no cure for PCOS, but there are effective treatments that can lessen the severity of the symptoms.

Despite the name, not everyone with polycystic ovarian syndrome develops cysts on their ovaries. It is also possible to have ovarian cysts without having PCOS. The symptoms of polycystic ovarian syndrome are actually related to insulin resistance, a condition where the insulin made by the body is not effectively recognized by the cells. This causes the pancreas to release higher levels of insulin in order to keep blood sugar levels stable, and the excess insulin interferes with hormone production in the pituitary and ovaries, causing the PCOS symptoms.

The symptoms of PCOS include:

  • Weight gain
  • Acne
  • Facial or body hair
  • Thinning head hair
  • Missing or irregular periods
  • Infertility

PCOS is a syndrome, which means that if patients have PCOS, they might not have each and every symptom. Even a few of them might be enough to have physicians check for polycystic ovarian syndrome. A doctor might perform an exam and order blood tests to measure hormone levels.

Treatment for PCOS may include:

  • Insulin sensitizers, which help the body use insulin more effectively, lowering hormone levels. The most commonly used insulin sensitizer is metformin.
  • Weight loss. Being overweight does not cause PCOS, and PCOS can make losing weight difficult. Still, weight loss can improve symptoms for many women.
  • Birth control pills to regulate menstruation and sometimes reduce symptoms such as acne.
  • Fertility medications, especially medications to stimulate ovulation such as clomiphene.
  • Anti-androgen medications, which work to treat symptoms such as acne and facial hair.
  • Low-carb diets, which work similarly to insulin sensitizers to lower hormone levels and help reduce weight.
  • Ovarian drilling or resectioning, surgical procedures sometimes performed if infertility is a persistent problem. These procedures open up the wall of the ovary to temporarily make ovulation more likely.

Polycystic ovarian syndrome is one of the most common endocrine disorders affecting women. Left untreated, it can increase the risk of diabetes, heart disease, and certain cancers. Fortunately there are many good treatment options available.

Thyroid Problems

Thyroid problems are a group of conditions that alter hormone regulation and metabolism. The thyroid is a small, butterfly-shaped gland located in the lower neck, just below the Adam's apple (laryngeal prominence) and larynx (voice box). Despite its small size, the thyroid has an outsized effect on the body by regulating hormones that control metabolism. Metabolism is the body's process of converting consumed food into fuel to power the entire body. Heart rate, weight, cholesterol, body temperature, and even physical growth and development are all affected by the metabolism.

When the thyroid malfunctions, the body is unable to properly process and allocate energy. Thyroid problems, such as hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid), cause irregular metabolism. In some cases, the body produces antibodies that attack the thyroid cells for unknown reasons. The damaged thyroid responds by releasing either too little or too much T3 and T4 thyroid hormones. Thyroid malfunctions may also arise from genetic causes or iodine deficiency. Thyroid problems may include:

  • Hashimoto's thyroiditis, an autoimmune disease that causes hypothyroidism
  • Graves' disease, an autoimmune disease that causes hyperthyroidism
  • Goiter
  • Thyroid nodule
  • Thyroid cancer

Hashimoto's is the leading cause of hypothyroidism, which is when the thyroid does not produce enough hormones to stimulate adequate metabolism. The condition is diagnosed by blood tests that measure TSH (thyroid stimulating hormone) and detect Hashimoto's antibodies. Symptoms of hypothyroidism include sluggish metabolism, inflammation, fatigue, weight gain, brittle hair, dry skin, and sensitivity to cold. To supplement impaired thyroid function, patients with Hashimoto's are typically prescribed synthetic thyroid hormone pills. Such patients may need to consume synthetic thyroids for the rest of their lives. Other treatments may include dietary changes, such as the avoidance of certain foods and medication to reduce inflammation. Frequent blood tests can inform patients if their TSH levels are within a normal range.

Grave's disease is most frequently the cause of hyperthyroidism, which is when the thyroid produces too many hormones, overstimulating one's metabolism. The condition is also diagnosed by blood tests that measure TSH and detect Grave's antibodies. Elevated heart rate, high blood pressure, sweating, bulging eyes, and weight loss are common symptoms of hyperthyroidism. Treatments for hyperthyroidism include oral radioactive iodine, which slowly shrinks the thyroid, slowing the production of excess thyroid hormone. Other anti-thyroid medications such as methimazole (Tapazole) also reduce the production of thyroid hormones. Blood pressure medications known as beta blockers can ease the increased heart rate caused by hyperthyroidism. If treatments are unsuccessful, patients may be prescribed a thyroidectomy, or surgery to remove part or all of the thyroid. Some patients with hyperthyroidism may require ophthalmological (eye medicine) treatments such as eye drops, prednisone, and surgery to reduce eye swelling and bulging.

Untreated thyroid disorders frequently lead to goiters or thyroid nodules. A thyroid goiter is a large lump that can be felt near the base of the neck and is made of swollen thyroid tissue or nodules (excess cell growth). Nodules and goiters are diagnosed by CT scan or ultrasound. Obstructive goiters can cause pain, coughing, and abnormal breathing. The most common cause of goiters is hyperthyroidism (overactive thyroid). However, Hashimoto's is also known to cause goiters or nodules. Goiters develop from continued damage from antibodies to the thyroid over time. At times, a goiter can result from a cancerous thyroid tumor. Most goiters and nodules are themselves benign.

The exact causes of thyroid cancer are unknown. People who develop thyroid cancer may or may not have another thyroid problem such as Hashimoto's or Grave's disease. Symptoms of thyroid cancer include a nodule that can be felt on the neck, hoarseness, difficulty swallowing, swelling in the neck, and neck and throat pain. CT and MRI scans are used to diagnose thyroid cancer. There are four types of thyroid cancer which vary in intensity. Thyroidectomy (thyroid removal surgery) is usually prescribed to treat thyroid cancer.

Thyroid problems are often long-term conditions that require some form of treatment. With regular monitoring and medication, many people with thyroid problems are able to lead active and fulfilling lives.

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated as a nurse in DULUTH, MN during 2013 were lab tests, diabetes management, preventive care and blood draw.

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

blood draw 56
diabetes management 79
doctor visit 21
lab tests 137
preventive care 62

2013 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 20
Female 50
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 0
Asian 0
Other 0
Native American 52
Age
From 65 to 74 41
From 75 to 84 0
85 and over 0
Less than 65 15

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2013

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2013 were hypertension, diabetes, depression and high cholesterol.

Hypertension 50
High Cholesterol 27
Stroke 0
Ischemic Heart Disease 27
Depression 33
Chronic Kidney Disease 21
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 47
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated as a nurse in DULUTH, MN during 2014 were lab tests, diabetes management, preventive care and blood draw.

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

blood draw 62
diabetes management 83
doctor visit 40
lab tests 108
preventive care 72

2014 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 17
Female 40
Age
From 65 to 74 30
From 75 to 84 0
85 and over 0
Less than 65 13

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2014

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

Hypertension 47
High Cholesterol 39
Stroke 0
Ischemic Heart Disease 30
Depression 19
Chronic Kidney Disease 0
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 37
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated as a nurse in DULUTH, MN during 2015 were lab tests, diabetes management, preventive care and blood draw.

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

blood draw 59
diabetes management 87
doctor visit 38
lab tests 104
preventive care 68

2015 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 38
Female 76
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 0
Asian 0
Other 0
Native American 92
Age
From 65 to 74 62
From 75 to 84 22
85 and over 0
Less than 65 30

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2015

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2015 were hypertension, diabetes, depression and high cholesterol.

Hypertension 44
High Cholesterol 23
Stroke 0
Ischemic Heart Disease 19
Depression 32
Chronic Kidney Disease 0
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 37
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated as a nurse in DULUTH, MN during 2016 were lab tests, diabetes management, preventive care and blood draw.

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

blood draw 34
diabetes management 78
doctor visit 51
lab tests 89
preventive care 49

2016 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 16
Female 37
Ethnicity
Non-Hispanic White 0
Black 0
Hispanic 0
Asian 0
Other 0
Native American 42
Age
From 65 to 74 23
From 75 to 84 0
85 and over 0
Less than 65 15

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2016

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2016 were hypertension, diabetes, chronic kidney disease and ischemic heart disease.

Hypertension 47
High Cholesterol 0
Stroke 0
Ischemic Heart Disease 25
Depression 23
Chronic Kidney Disease 28
Asthma 0
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 0
Chronic Obstructive Pulmonary Disease 0
Diabetes 43
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 155

2017 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 42
Female 71
Ethnicity
Non-Hispanic White 101
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 31
From 75 to 84 0
85 and over 0
Less than 65 59

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2017

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2017 were hypertension, depression, chronic kidney disease and diabetes.

Hypertension 58
High Cholesterol 35
Stroke 0
Ischemic Heart Disease 20
Depression 50
Chronic Kidney Disease 49
Asthma 14
Osteoperosis 0
Atrial Fibrilation 0
Heart Failure 16
Chronic Obstructive Pulmonary Disease 10
Diabetes 49
Dementia 10
Cancer 0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 190

2018 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 57
Female 78
Age
From 65 to 74 38
From 75 to 84 0
85 and over 0
Less than 65 68

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2018

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2018 were diabetes, hypertension, chronic kidney disease and high cholesterol.

Hypertension 65
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 30
Depression 42
Chronic Kidney Disease 60
Asthma 12
Osteoperosis 10
Atrial Fibrilation 10
Heart Failure 20
Chronic Obstructive Pulmonary Disease 11
Diabetes 65
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 198

2019 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 48
Female 72
Ethnicity
Non-Hispanic White 108
Black 0
Hispanic 0
Asian 0
Other 0
Native American 0
Age
From 65 to 74 34
From 75 to 84 0
85 and over 0
Less than 65 55

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2019

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2019 were hypertension, diabetes, chronic kidney disease and high cholesterol.

Hypertension 70
High Cholesterol 49
Stroke 0
Ischemic Heart Disease 35
Depression 44
Chronic Kidney Disease 66
Asthma 13
Osteoperosis 9
Atrial Fibrilation 0
Heart Failure 23
Chronic Obstructive Pulmonary Disease 12
Diabetes 69
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 165

2020 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 42
Female 70
Age
From 65 to 74 46
From 75 to 84 0
85 and over 0
Less than 65 45

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2020

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2020 were chronic kidney disease, diabetes, hypertension and depression.

Hypertension 68
High Cholesterol 44
Stroke 0
Ischemic Heart Disease 38
Depression 50
Chronic Kidney Disease 75
Asthma 11
Osteoperosis 11
Atrial Fibrilation 10
Heart Failure 32
Chronic Obstructive Pulmonary Disease 14
Diabetes 75
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 147

2021 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 32
Female 47
Age
From 65 to 74 35
From 75 to 84 0
85 and over 0
Less than 65 26

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2021

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2021 were diabetes, chronic kidney disease, hypertension and high cholesterol.

Hypertension 72
High Cholesterol 52
Stroke 0
Ischemic Heart Disease 38
Depression 43
Chronic Kidney Disease 72
Asthma 0
Osteoperosis 14
Atrial Fibrilation 0
Heart Failure 28
Chronic Obstructive Pulmonary Disease 0
Diabetes 75
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 158

2022 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 34
Female 62
Age
From 65 to 74 32
From 75 to 84 0
85 and over 0
Less than 65 32

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2022

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2022 were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension 75
High Cholesterol 71
Stroke 0
Ischemic Heart Disease 25
Depression 33
Chronic Kidney Disease 39
Asthma 15
Osteoperosis 11
Atrial Fibrilation 19
Heart Failure 15
Chronic Obstructive Pulmonary Disease 0
Diabetes 74
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

doctor visit 155

2023 Medicare Patient Data

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Male 43
Female 60
Age
From 65 to 74 45
From 75 to 84 0
85 and over 0
Less than 65 31

Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE in 2023

The most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated during 2023 were diabetes, high cholesterol, hypertension and chronic kidney disease.

Hypertension 75
High Cholesterol 75
Stroke 0
Ischemic Heart Disease 31
Depression 34
Chronic Kidney Disease 45
Asthma 16
Osteoperosis 11
Atrial Fibrilation 19
Heart Failure 21
Chronic Obstructive Pulmonary Disease 0
Diabetes 75
Dementia 0
Cancer 0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2013 - 2023

Volume of procedures performed by Mrs. Lynne M. Kosmach, APRN, CNP, CDE for Medicare patients.

The highest averages for the top procedures that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated as a nurse in DULUTH, MN were lab tests, diabetes management, preventive care and blood draw.

blood draw 52
diabetes management 81
doctor visit 119
lab tests 109
preventive care 62

Average Medicare Patient Data From 2013 - 2023

Information about Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE.

Gender
Female 60
Male 35
Ethnicity
Black / African American 0
Asian / Pacific Islander 0
Non-Hispanic White 19
Native American / Alaskan Native 16
Hispanic 0
Other 0
Age
75 to 84 2
85 and over 0
Less than 65 35
65 to 74 37

Average of Total of Conditions of Medicare patients treated by Mrs. Lynne M. Kosmach, APRN, CNP, CDE From 2013 - 2023

The highest averages of the most common conditions of Medicare patients that Mrs. Lynne M. Kosmach, APRN, CNP, CDE treated were hypertension, diabetes, high cholesterol and chronic kidney disease.

Hypertension 61
High Cholesterol 42
Stroke 0
Ischemic Heart Disease 28
Depression 36
Chronic Kidney Disease 41
Asthma 7
Osteoporosis 6
Heart Failure 14
Chronic Obstructive Pulmonary Disease 4
Diabetes 58
Atrial Fibrillation 5
Dementia 0
Cancer 0

Education & Training

She is certified by the American Nurses Credentialing Center - Nurse Practitioner - Family Medicine Certification Board for Diabetes Care and Education - Dietitian, Registered - Diabetes Care and Education Specialist and has a state license in Minnesota.

Board Certification: American Nurses Credentialing Center - Nurse Practitioner - Family Medicine Certification Board for Diabetes Care and Education - Dietitian, Registered - Diabetes Care and Education Specialist

Licensed In: Minnesota

Affiliations & Hospitals

Mrs. Lynne M. Kosmach, APRN, CNP, CDE is associated with these hospitals and organizations:

Essentia Health
THE DULUTH CLINIC LTD

Ratings & Reviews

Mrs. Lynne M. Kosmach, APRN, CNP, CDE has an exceptional overall rating with an average of 5.0 out of 5 stars based on 5 ratings. We collect ratings and reviews of Mrs. Lynne M. Kosmach, APRN, CNP, CDE from all over the web to help you find the right in DULUTH, MN. 

5
Overall Rating
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Reviews From Around The Web
Overall Rating: 5.0 2024-09-26
Patient verified via Press Ganey
Lynne is always professional, through, and highly skilled in all aspects of care to include tSlim chart analysis, pump management, lab interventions. Appreciate her skill.
Overall Rating: 5.0 2025-10-30
Patient verified via Press Ganey
I have always felt welcomed, heard, and respected (time, concerns) in EH Endocrinology!
Overall Rating: 5.0 2025-05-09
Patient verified via Press Ganey
She went a long way towards finding a way to get me a medication we wanted me to try.
Overall Rating: 5.0 2025-04-09
Patient verified via Press Ganey
Always superior in all areas checked. Above and beyond what would be expected!
Overall Rating: 5.0 2024-09-05
Patient verified via Press Ganey
Lynn takes the time to listen to my concerns. Explains things very well!

Biography

Ms. Lynne Kosmach is an endocrinology and family medicine specialist in Cloquet, MN and Duluth, MN. Ms. Kosmach's clinical interests include vitamin D deficiency, gestational diabetes (diabetes during pregnancy), and type 2 diabetes. The average patient rating for Ms. Kosmach is 5.0 stars (out of 5). She is professionally affiliated with Essentia Health. According to Doctor.com, new patients are welcome to contact her office in DULUTH, MN.

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