The Department of Radiation Medicine at Westchester Medical Center is a full-service radiation oncology cancer treatment center in Valhalla, NY. Services include External Beam Radiation, Conformal Radiation Therapy, Intensity Modulated Radiation Therapy, Brachytherapy/Internal Radiation, Hyperthermia, Sterotactic Radiosurgery, and Chemoradiation. The Department of Radiation Medicine is a member of the Westchester Medical Center Health Network (WMCHealth), a 1,700-bed healthcare system headquartered in Valhalla, New York, with 10 hospitals on eight campuses spanning 6,200 square miles of the Hudson Valley.