Departments and specialties

Mayo Clinic has one of the largest and most experienced practices in the United States, with campuses in Arizona, Florida and Minnesota. Staff skilled in dozens of specialties work together to ensure quality care and successful recovery.

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Displaying 1-9 out of 9 doctors available

  1. Julie A. Billar, M.D.

    Julie A. Billar, M.D.

    1. Surgical Oncologist
    2. Surgeon
    1. Phoenix, AZ
    Areas of focus:

    Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Prophylactic mastectomy, Breast cancer... surgery, Lymphadenectomy, Sentinel node biopsy, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Skin-sparing mastectomy, Lymph node biopsy, Axillary lymph node dissection, Breast cancer, Fibroadenoma, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Male breast cancer, Phyllodes tumor, Triple-negative breast cancer, Paget's disease of the nipple, Atypical lobular hyperplasia, Atypical ductal hyperplasia, High risk for breast cancer, Genetic predisposition to breast cancer, Invasive breast cancer

  2. Shon M. Black, M.D.

    Shon M. Black, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Wire localization for b...reast surgery, Prophylactic mastectomy, Breast cancer surgery, Lymphadenectomy, Radioactive seed localization, Sentinel node biopsy, Minimally invasive surgery, Breast cyst aspiration, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, Lymph node biopsy, Double mastectomy, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  3. Judy C. Boughey, M.D.

    Judy C. Boughey, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Prophylactic mastectomy, Breast cancer... surgery, Lymphadenectomy, Sentinel node biopsy, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, Lymph node biopsy, Double mastectomy, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  4. Amy C. Degnim, M.D.

    Amy C. Degnim, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Wire localization for b...reast surgery, Prophylactic mastectomy, Breast cancer surgery, Lymphadenectomy, Radioactive seed localization, Sentinel node biopsy, Minimally invasive surgery, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, Lymph node biopsy, Double mastectomy, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  5. Tina J. Hieken, M.D.

    Tina J. Hieken, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Wire localization for b...reast surgery, Prophylactic mastectomy, Breast cancer surgery, Lymphadenectomy, Radioactive seed localization, Sentinel node biopsy, Melanoma surgery, Minimally invasive surgery, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, TVEC injection, Lymph node biopsy, Double mastectomy, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Melanoma, Breast cysts and lumps, Lobular carcinoma in situ, Squamous cell carcinoma of the skin, Ductal carcinoma in situ, Merkel cell carcinoma, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  6. Jeffrey E. Johnson, M.D.

    Jeffrey E. Johnson, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Wire localization for b...reast surgery, Prophylactic mastectomy, Breast cancer surgery, Lymphadenectomy, Radioactive seed localization, Sentinel node biopsy, Melanoma surgery, Minimally invasive surgery, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, TVEC injection, Lymph node biopsy, Double mastectomy, Breast cancer, Skin cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Melanoma, Breast cysts and lumps, Lobular carcinoma in situ, Squamous cell carcinoma of the skin, Ductal carcinoma in situ, Merkel cell carcinoma, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  7. Mary M. Mrdutt, M.D., M.S.

    Mary M. Mrdutt, M.D., M.S.

    1. Surgical Oncologist
    1. Phoenix, AZ
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Wire localization for b...reast surgery, Prophylactic mastectomy, Breast cancer surgery, Lymphadenectomy, Radioactive seed localization, Sentinel node biopsy, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, Lymph node biopsy, Double mastectomy, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  8. Mara A. Piltin, D.O.

    Mara A. Piltin, D.O.

    1. Surgical Oncologist
    1. Jacksonville, FL
    Areas of focus:

    Breast biopsy, Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Prophylactic mastectomy..., Breast cancer surgery, Lymphadenectomy, Sentinel node biopsy, Melanoma surgery, Minimally invasive surgery, Robotic surgery, Breast abscess drainage, Nipple-sparing mastectomy, Sentinel lymph node surgery, TVEC injection, Lymph node biopsy, Double mastectomy, Flat aesthetic closure, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Melanoma, Breast cysts and lumps, Lobular carcinoma in situ, Squamous cell carcinoma of the skin, Ductal carcinoma in situ, Merkel cell carcinoma, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Stage 4 breast cancer, Atypical lobular hyperplasia, Atypical ductal hyperplasia

  9. Natasha Rueth, M.D.

    Natasha Rueth, M.D.

    1. Surgical Oncologist
    1. Rochester, MN
    Areas of focus:

    Mastectomy, Lumpectomy, Excisional biopsy, Breast duct excision, Breast surgery, Prophylactic mastectomy, Breast cancer... surgery, Lymphadenectomy, Sentinel node biopsy, Nipple-sparing mastectomy, Sentinel lymph node surgery, Oncoplastic breast-conserving surgery, Modified radical mastectomy, Skin-sparing mastectomy, Lymph node biopsy, Double mastectomy, Flat aesthetic closure, Breast cancer, Fibroadenoma, Atypical hyperplasia of the breast, BRCA gene mutation, Breast cysts and lumps, Lobular carcinoma in situ, Ductal carcinoma in situ, Invasive ductal carcinoma, Invasive lobular carcinoma, Paget's disease of the breast, Inflammatory breast cancer, Recurrent breast cancer, Male breast cancer, HER2-positive breast cancer, Phyllodes tumor, Tubular breast cancer, Triple-positive breast cancer, Triple-negative breast cancer, Medullary breast cancer, Squamous cell carcinoma of the breast, Luminal A breast cancer, Luminal B breast cancer, Papillary breast cancer, Mucinous breast cancer, Paget's disease of the nipple, Atypical lobular hyperplasia, Atypical ductal hyperplasia

Research

Mayo Clinic researchers are involved in many studies related to triple-negative breast cancer (TNBC). Mayo Clinic doctors often inform eligible patients about opportunities to participate in research studies and clinical trials related to advancements in the treatment of breast cancer.

Areas of research include:

  • Analyzing the genetic makeup of breast cancer cells to understand how DNA changes affect response to cancer treatments and personalize treatment options.
  • Studying whether people with early-stage triple-negative breast cancer (TNBC) who have high levels of immune cells within their tumors may have a lower risk of recurrence and better survival rates.
  • Using viruses to treat noninvasive breast cancer, triple-negative breast cancer and metastatic breast cancer.
  • Studying breast imaging techniques, such as dynamic contrast-enhanced MRI, contrast-enhanced digital mammography and molecular breast imaging.
  • Making treatment safer using new technology, such as proton beam therapy to shape radiation beams that reach left-sided breast cancer but spare the heart.

Mayo Clinic Comprehensive Cancer Center is one of a select group of facilities that received a Specialized Program of Research Excellence (SPORE) grant for breast cancer research from the U.S. National Cancer Institute. Learn more about the Mayo Clinic Breast Cancer SPORE.

Publications

See a list of publications about triple-negative breast cancer by Mayo Clinic doctors on PubMed, a service of the National Library of Medicine.

Research Profiles

July 31, 2026