Arizona Oncology Breast Program

Our Multidisciplinary Approach Helps You

Thrive With and Beyond Breast Cancer

We believe our multidisciplinary approach to breast cancer treatment provides our patients with the strongest advantage on their journey through cancer. Benefits of a multidisciplinary program include:


A Multidisciplinary Approach to Thrive With and Beyond Breast Cancer

Meet Our Breast Team

With Breast Teams in East and Northwest Tucson, we’re with you every step of the way, developing a personalized plan with leading-edge technology and a holistic healing strategy.

Karen J. HendershottKaren J. Hendershott, MD, FACS

Karen J. Hendershott, MD, FACS is a board-certified surgeon and a fellow of the American College of Surgeons. She completed her fellowship training in breast surgical oncology at Maimonides Medical Center and her research fellowship at Memorial Sloan Kettering, where she was named Chief Academic Fellow. Dr. Hendershott specializes in the surgical management of genetic, familial, and triple-negative breast cancers and has a special interest in invasive lobular cancers. She has additional training in the performance of oncoplastic techniques to maximize cosmetic outcomes in breast conservation surgery.

Aisha AhmedAisha Ahmed, MD

Aisha Ahmed, MD has been in practice for 10+ years, treating cancer patients, teaching, and participating as a clinical investigator in clinical trials. She treats and evaluates all cancer types with a special interest in breast cancer. Dr. Ahmed has extensive experience and expertise in treating breast cancer. She previously practiced in Western Canada and contributed to provincial Breast Cancer Clinical Guidelines. She served as chair of the Breast Cancer Disease Site committee at the Allan Blair Cancer Center, SCA and as the lead breast oncologist at Ascension Medical Group.

Rebecca K. Viscusi, MD, FACS

Rebecca K. Viscusi, MD, FACS is a breast surgical oncologist who has been practicing medicine since 2005. Specializing in surgical care for breast cancer patients, she was the first surgeon in the Tucson area to utilize radar localization to target cancer during a lumpectomy. She is a fellow of the American College of Surgeons and certified in ultrasound through the American Society of Breast Surgeons. Dr. Viscusi has been published in multiple peer-reviewed journals and has delivered conferences, scholarly presentations, and seminars on the diagnosis and treatment of breast cancer and general medical education.

Rachel SwartRachel Swart, MD, PhD

Rachel Swart, MD, PhD is a board-certified medical oncologist who earned her medical degree from Northwestern University Feinberg School of Medicine. She also earned her PhD in Tumor Cell Biology from Northwestern University in the combined MD/PhD program. She completed both her residency in internal medicine and her fellowship in hematology and oncology at the University of Arizona. She treats a variety of malignancies in women with a specialty in breast cancer. She also directs the practice’s high-risk breast cancer clinic.

Sarah Kilic, MD

Sarah Kilic, MD attended Wesleyan University for both her undergraduate and graduate degrees in molecular biology and biochemistry. She went on to receive her medical degree from Rutgers New Jersey Medical School before completing an internship in internal medicine and a residency in radiation oncology at the Cleveland Clinic. As a general radiation oncologist, Dr. Kilic is experienced in treating cancer in every part of the body. She has a particular interest in treating brain, breast, and gynecologic tumors. Dr. Kilic specializes in advanced image-guided external beam radiation therapy techniques, including stereotactic body radiation therapy/stereotactic radiosurgery and intensity-modulated radiation therapy, as well as high-dose-rate gynecologic brachytherapy.

Andrew NeuschatzAndrew Neuschatz, MD

Andrew Neuschatz, MD is a board-certified radiation oncologist who earned his medical degree from Georgetown University School of Medicine. He completed his internship in internal medicine and his residency in radiation oncology at Tufts Medical Center, where he served as chief resident before joining Arizona Oncology. He has an interest in the diagnosis and treatment of invasive breast cancer and ductal carcinoma in situ (DCIS), as well as the use of intensity modulated radiation therapy (IMRT). He has published numerous articles on breast cancer and has served on the review board of Medical Physics.

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