Colorectal Cancer Treatment Team

Colorectal Surgery

Thomas E. Cataldo, MD

Colon and Rectal Surgery

Vitaliy Poylin, MD

Director of the Rectal Cancer Program

Nurse Coordinator

Female Doc Silhouette

Jeanne Quinn, MS, APRN-BC

Rectal Cancer Program Coordinator

Medical Oncology

Benjamin L. Schlechter, MD

Medical Oncology

Jessica A. Zerillo, MD, MPH

Medical Oncology

Radiation Oncology

Matthew Abrams, MD

Instructor, Radiation Oncology

Diagnostic Radiology (Colorectal) 

Robert A. Kane, MD

Chief, Body and General Ultrasound and Professor, Radiology, Harvard Medical School 

Koenraad Mortele, MD


Bettina Siewert, MD

Executive Vice Chair for Radiology

Martin P. Smith, MD

MRI and Abdominal Imaging

Jesse L. Wei, MD

Interventional Radiology and Diagnostic Radiology


Gamze Ayata, MD

Pathology; Program Director, Cytopathology Fellowship

Tracy L. Challies, MD

Anatomic Pathology; Program Director, Selective Pathology Fellowship

Jonathan N. Glickman, MD

Director of Surgical Pathology & Gastrointestinal Pathology

Jeffrey D. Goldsmith, MD

Associate Professor, Pathology, Harvard Medical School 

Kanchan Kantekure, MD



Katharine A. Germansky, MD

Gastroenterology          Director, GI Cancer Genetics and Prevention Program