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Dr. John Marks

MD, FACS, FASCRS Chief, ColonRectal Surgery, Main Line Health Care Program Director, National Accreditation Program for Rectal Cancer, Lankenau Medical Center Executive Committee, National Accreditation Program for Rectal Cance Program Director, Minimally Invasive Colorectal Surgery and Rectal Cancer Management Fellowship Professor, Lankenau Institute for Medical Research, USA Colorectal Surgery
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Dr. John H. Marks, MD is a Professor at the Lankenau Institute for Medical Research, Chief of Colorectal Surgery at Main Line Health, and the Director of Fellowship in Laparoscopic and Minimally Invasive Colorectal Surgery and Advanced Rectal Cancer Management at Main Line Health.