Department of Radiation Oncology


Welcome to the Department of Radiation Oncology at the Columbia University Medical Center. We look forward to serving your needs.

Clifford ChaoThe practice of radiation oncology advances continuously. Major strides in technology allow physicians to treat patients more comfortably and with better results than ever before. Biological and genetic research is helping to unravel the mysteries and benefits of radiation treatment for cancer at a remarkable rate. Those discoveries are leading to dramatic results in patient care.

At Columbia University Medical Center (CUMC) we are at the forefront of this progress. Home of the prestigious Columbia University Center for Radiological Research, the nation's largest and most experienced university-based research center for radiation biology, the doctors and scientists of Columbia Radiation Oncology are world renowned.

We firmly believe that the compassionate care delivered every day by our dedicated physicians and staff is one of our greatest assets. We strive to make each patient's unique experience positive and supportive.

K.S. Clifford Chao, MD

Chu H. Chang Distinguished Professor and Chairman
Department of Radiation Oncology

  • Residency/Medical Education
  • Advanced Technology
  • Patients
  • CUMC Scene