Radiation Oncologists are physicians with specialized training in the use of radiation therapy to treat cancer and other diseases. They will direct this aspect of your treatment, coordinating regularly with your other specialists.

With Penn Medicine's radiation oncologists staffing the Penn Radiation Oncology Center at Chester County Hospital, patients have convenient access to a level of care not typically found in a community hospital, including the latest technology, cancer treatments and clinical trials.

Andre Konski Radiation Oncology 

Andre A. Konski, MD, MBA, MA, FACR
Clinical Professor & Medical Director

Department of Radiation Oncology

Dr. Konski earned his Medical Degree in 1984 from New York Medical College. He earned a Master's in Business Administration as well as a Master of Arts in Economics from the University of Toledo in 1995 and 1998 respectively. In 1988 he completed his residency in radiation oncology at Strong Memorial Hospital in Rochester, New York.

Dr. Konski joined the Medical College of Ohio as an Assistant Professor in 1988 and was appointed as Clinical Associate Professor in 1990. In 2002, he joined Fox Chase Cancer Center Partners as an Attending Physician and was appointed Chief Medical Officer in 2009. Soon after, he was appointed Professor and Chair of the Department of Radiation Oncology at Wayne State University School of Medicine in Detroit, MI and also served as Chief of Radiation Therapy at the Barbara Ann Karmanos Cancer Center also in Detroit.

Ann Marie Siegal - Radiation Oncology

Ann Marie Siegal, M.D.
Chairperson, Breast Health Task Force/Breast Services

Clinical Assistant Professor--University of Pennsylvania, Department of Radiation Oncology

A member of the Chester County Hospital Medical Staff since 1999, Dr. Siegal received her medical degree from Drexel University College of Medicine. She completed an internship at the Cooper Hospital University Medical Center in Camden, NJ, and a residency in Radiation Oncology at Drexel University College of Medicine in Philadelphia. Dr. Siegal is a Clinical Assistant Professor in the Department of Radiation Oncology at the Hospital of the University of Pennsylvania.

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