Comprehensive Breast Care Center


Judy TjoeJudy A. Tjoe, MD, FACS

Breast Oncology Surgeon

Judy Tjoe, MD, is board certified by the American Board of Surgery and specializes in breast cancer surgery. She dedicates her practice to the care, education and treatment of women with breast cancer, as well as those who have a high susceptibility to breast cancer. She brings a high-level of expertise and empathetic caring to the Comprehensive Breast Care Center at Aurora Sinai Medical Center, complemented by her medical illustrations, which helps patients understand their disease through visual images. She also oversees breast cancer care as chair of Aurora Health Care's Systemwide Breast Quality Committee.

Dr. Tjoe earned her medical degree from the University of California, San Francisco, which included a one-year fellowship in Anatomic Pathology and Cytology. After completing her general surgical training at the Medical College of Wisconsin and Affiliated Hospitals, she returned to San Francisco to complete a fellowship in surgical breast oncology at the University of California-San Francisco Mount Zion Comprehensive Cancer Center. There she received advanced training in magnetic resonance imaging of the breast, ductal lavage and ductoscopy, local reconstruction of the breast after total or partial mastectomy, and shared decision-making with patients.

Dr. Tjoe is a fellow of the American College of Surgeons, and serves on the American Society of Breast Surgeons’ Patient Quality and Safety Committee. She is a member of the American College of Surgeons Oncology Group and principal investigator of Aurora clinical trials that evaluate the surgical management of patients with breast cancer. She is also president of the Milwaukee Academy of Surgery and member of the Medical Advisory Board for After Breast Cancer Diagnosis, a national personalized one-to-one support group for breast cancer survivors and patients.

Jean RosiakJean Rosiak, NP

Nurse Practitioner

Jean Rosiak, NP, is a registered nurse and certified nurse practitioner whose added certification in advanced oncology nursing makes her an excellent member of the Aurora Comprehensive Breast Care Center team at Aurora Sinai Medical Center where she has followed patients through breast cancer survivorship with Dr. Tjoe since 2005.

Jean earned her degree in nursing from Alverno College and immediately began her career in oncology at Aurora St. Luke's Medical Center. For more than 10 years, she served as a Level IV staff nurse and taught other nurses how to effectively administer chemotherapy to cancer patients. For the next 20 years, Jean worked at a private medical oncology practice and eventually served as its clinical director. In 2004, she earned her graduate degree and became a certified nurse practitioner.

Throughout her career, Jean has held various leadership positions within the Oncology Nursing Society and the Southeastern Wisconsin Oncology Nurses professional association. She has published articles and book chapters with leading oncology nursing publications and has made numerous presentations to her peers at national oncology conventions and conferences.

Mae McEwanMae Racadio McEwan, NP

Nurse Practitioner

Mae Racadio McEwan, NP, is a registered nurse and certified nurse practitioner. She is board certified in family practice, and specialty trained in surgical and perioperative nursing.

Mae earned a dual bachelor’s degree in Biology and English Literature at Marquette University, and worked in biomedical and genomic research at the Medical College of Wisconsin. She then obtained a second Bachelor of Science in Nursing from the University of Wisconsin-Milwaukee (UWM) and worked for several years in both perioperative and emergency nursing before earning her Master of Science in Nursing from UWM and becoming a certified family nurse practitioner. She is an active member of the Oncology Nursing Society and the Association of Perioperative Registered Nurses.

Mae believes that all patients deserve individualized, compassionate and high-quality care, and approaches each patient with an understanding of personal goals, priorities and family dynamic. Mae partners with Dr. Tjoe, Jean Rosiak and the Surgical Breast Oncology team to provide coordinated care, particularly around the difficult time of initial breast cancer diagnosis and surgery.

Sarha LeeSarha Lee, MD


Sarha Lee, MD, is a diagnostic radiologist who devotes her time to women’s imaging and mammography, the focus of her fellowship training. Dr. Lee received her medical degree from Rush Medical College in Chicago and chose radiology because she wanted to help pioneer the application of imaging technology in women’s health. She completed her residency in Diagnostic Radiology and then a Fellowship in Breast Imaging at Northwestern Memorial Hospital, also in Chicago.

Dr. Lee focuses on women’s health issues because she believes that women need a dedicated expert, centered on advancing the early detection of disease. She feels that breast cancer, in particular, needs the attention of experts committed to advancing the science of diagnostic imaging. In this pursuit, Dr. Lee participated in the research and development of breast MRI and testing of new technologies in digital mammography. Her goal is to work closely with primary care physicians to appropriately follow women at high risk for breast cancer and with breast cancer survivors, to provide the best service and management of their health. Dr. Lee is certified by The American Board of Radiology.

Magdalena FlejsierowiczMagdalena Flejsierowicz, MD

Medical Oncologist and Hematologist

Magdalena Flejsierowicz, MD, is a medical oncologist and hematologist with a comprehensive approach to helping patients manage a cancer diagnosis. She believes patient education is an important part of the care she provides, and involves her patients in every step of their course of treatment and recovery. Her medical background focuses on all aspects of cancer care, including the emotional and physical needs of her patients. She has a special interest in caring for women with breast cancer. Dr. Flejsierowicz is Board Certified in internal medicine, medical oncology and hematology.

Charles BomzerCharles Bomzer, MD

Medical Oncologist and Hematologist

Charles Bomzer, MD, earned his medical degree from Northwestern University Medical School in Chicago. He completed his residency at the University of Minnesota Hospitals in Minneapolis and fellowship at the University of Rochester in New York. Dr. Bomzer is a board certified in internal medicine, medical oncology and hematology.

His special interests include breast cancer, lymphoma and myeloma (including related disorders, such as amyloidosis and Waldenstrom’s macroglobulinemia), cancer genetics and risk management, and also benign hematology. With special training in cancer genetics and risk management, Dr. Bomzer has also taught medical students at the Medical College of Wisconsin.

Mitchell PincusMitchell H. Pincus, MD

Radiation Oncologist

Mitchell Pincus, MD, is chief of Radiation Oncology at Aurora Sinai Medical Center and a former United States Air Force flight surgeon. He has a special interest and expertise in prostate cancer, brachytherapy (radioactive seed implants), intraoperative radiation therapy, lung cancer, breast cancer and CyberKnife radiosurgery.

Board certified in radiation oncology, Dr. Pincus helped pioneer the Aurora St. Luke’s Medical Center prostate cancer program and is co-chairman of its Thoracic Oncology Committee. Dr. Pincus’s comprehensive approach to breast cancer not only includes traditional external beam radiation therapy, but also uses the approach of partial breast irradiation and hypo-fractionated courses of radiation to limit the toxic side effects of treatment.

With a 20-year history at Aurora Health Care, Dr. Pincus continues to demonstrate his dedication and commitment to patients.

Peggy AndersonPeggy J. Anderson, RN, OCN

Registered Nurse

Peggy J. Anderson, RN, is a certified oncology nurse who has worked her entire career in the oncology field. She served as an inpatient oncology nurse working with autologous bone marrow transplant patients before joining a private medical oncology practice. She has a strong background in chemotherapy and recently expanded her career to the field of radiation oncology.

Peggy believes that all patients deserve high-quality care along with compassion and understanding. She provides emotional support to her patients and their families throughout their treatment as well as maintaining that support into their survivorship.

Deborah Wham, MS, CGC

Certified Genetic Counselor

Deborah Wham is a certified genetic counselor in Cancer Services for Aurora Health Care. She received her Master's degree in Genetic Counseling from Northwestern University in Chicago, IL. Deborah’s expertise includes cancer risk assessment and prevention. She has special interest in ensuring access to preventive medicine services for all.

Leslie WaltkeLeslie J. Waltke, PT

Physical Therapist

Leslie J. Waltke, PT, is a physical therapist who has dedicated her practice to cancer care and is the Cancer Rehabilitation Coordinator for Aurora Health Care. She is a nationally-respected clinical specialist, and teaches and lectures throughout the country in the field of cancer rehabilitation, exercise during and after cancer, and the treatment of cancer-related lymphedema. She received her physical therapy degree in 1988 from the University of Wisconsin. Her post-graduate study includes orthopedic joint and soft tissue dysfunction with emphasis on musculoskeletal, cardiovascular and functional effects of cancer surgery, radiation, chemotherapy, reconstruction and lymphedema.

The Cancer Rehabilitation Program here at Aurora Sinai Medical Center has received high praise from both the Commission on Cancer and the National Accreditation Program for Breast Centers.

Elyssa JohnsonElyssa Johnson, RN, OCN

Clinical Research Coordinator

Elyssa Johnson, RN, earned her bachelor’s degree in History at Northern Illinois University in DeKalb, Illinois and an associate’s degree in Nursing at Rock Valley College in Rockford, Illinois. Elyssa is a certified oncology nurse. She worked in oncology as an infusion nurse, a radiation nurse and a research nurse prior to joining the oncology research team at Aurora in 2012. Elyssa enjoys her role as coordinator because it is through research that we learn how to improve clinical care and outcomes.

Monique SwiecichowskiMonique Swiecichowski, RN, BSN, CCRC, OCN

Cancer Nurse Navigator

Monique Swiecichowski, RN, is a clinical nurse navigator with the Comprehensive Breast Care Center. She is an experienced oncology nurse navigator working with cancer patients and their families. Monique serves as an advocate for patients, helping them navigate the health care system, and emotionally supporting them throughout their diagnosis, treatment and survivorship. In addition, she ensures patients and families have access to the resources they need to make informed decisions so they can play an active role in their own medical care.

Monique earned a Bachelor of Science in Nursing from Northwestern University and is a certified clinical research coordinator and oncology certified nurse. She is also a member of Association of Clinical Research Professionals, National Consortium of Breast Centers and Oncology Nursing Society.