Our gastrointestinal team includes preeminent experts in the study, diagnosis and treatment of stomach cancer.

To make an appointment, please call The James Line at 614-293-5066 or 800-293-5066. The James Line is a free, confidential telephone service staffed by oncology nurses to provide callers with cancer information and physician referrals. The James Line is available weekdays from 8 a.m. to 4:30 p.m.


Medical Oncology

Laith Abushahin, MBBS

I am a medical oncologist who specializes in treating patients with gastrointestinal cancers, specifically cancers of the pancreas, bile ducts, stomach, esophagus, colon, rectum and liver. Read More

John Hays, MD, PhD

I specialize in treating peritoneal cancers stemming from gastrointestinal and gynecological origins such as ovarian, colorectal cancer and cancers of the appendix and small intestine. Read More

Sameek Roychowdhury, MD, PhD

As a medical oncologist I specialize in treating patients with advanced prostate and colorectal cancers, including soft tissue sarcoma. Additionally, I serve as an assistant professor of internal medicine, an assistant professor in the department of pharmacology and a member of the Experimental Therapeutics Program at the OSUCCC – James. Read More

Jeffrey VanDeusen, MD, PhD

I was named to the Castle Connolly list of “Regional Top Doctors” from 2018-2019 and rated in the top 10 percent of physicians in the nation for patient satisfaction in 2017. Read More

Surgical Oncology

Jordan Cloyd, MD

I am a surgical oncologist who cares for patients with gastrointestinal, hepatopancreatobiliary, neuroendocrine and peritoneal surface malignancies. I believe in a collaborative approach to patient care. Read More

Mary Dillhoff, MD

I’m a surgical oncologist with a specialty in diagnosing and treating patients with tumors of the pancreas, liver, bile duct and stomach. Patient care at the OSUCCC – James starts with an evaluation by our multidisciplinary team to determine the best therapy, targeted treatments and possible clinical trials that may benefit the patient. Read More

Aslam Ejaz, MD

I am a surgical oncologist who specializes in the treatment of pancreatic cancer, liver cancer, bile duct cancer and other gastrointestinal cancers. In addition to my clinical work, I enjoy teaching the future generation of surgeons and other cancer care providers as an assistant professor in the Division of Surgical Oncology at The Ohio State University. Read More

Andrei Manilchuk, MD

My areas of expertise include general and gastrointestinal surgery, minimally invasive surgery and surgical oncology. I am committed to providing individualized, science-based care for my patients. Read More

Timothy Pawlik, MD, PhD, MPH

I am a surgical oncologist with a focus on treating patients with liver, gallbladder, pancreatic and neuroendocrine tumors. I serve as the surgeon-in-chief of The Ohio State University Wexner Medical Center, the chair of the Department of Surgery in the College of Medicine and a professor of surgery in the same department. Read More

Kyle Perry, MD

My expertise in minimally invasive surgery provides my patients with many treatment options. I specialize in the surgical and endoscopic treatment of general surgical conditions. Read More

Allan Tsung, MD

I am a surgical oncologist who specializes in the evaluation and management of patients with liver, bile duct and pancreatic cancer. As an expert in laparoscopic and robotic surgery techniques, my goal is to provide innovative treatments to allow patients to recover faster with less pain than traditional surgery. Read More

Gastroenterology

Darwin Conwell, MD

As a gastroenterologist at Ohio State and the director of the Division of Gastroenterology, Hepatology and Nutrition, I specialize in pancreatic disease and endoscopic procedures, providing a welcome alternative to surgical interventions. Read More

Jeffery Groce, MD

I’m a gastroenterologist specializing in patients with pancreatic, biliary and other digestive system diseases. I am an assistant professor in Gastroenterology, Hepatology and Nutrition, and serve as the medical director of The Ohio State Wexner Medical Center Main Endoscopy Center, as well as program director for our Advanced Therapeutic Endoscopy Fellowship Program. Read More

Philip Hart, MD

As a gastroenterologist, my clinical experience involving patients with pancreatic disorders has impacted my research interests. Through research, I’m motivated to improve patient care for individuals with diseases that are both difficult to diagnose and to treat. Read More

Sean Kelly, MD

As a Hepatologist at Ohio State, I treat patients with abnormal liver tests, hepatitis, cirrhosis of the liver and other liver diseases. I am honored to be part of this interesting field and help patients through a potentially stressful part of their lives. Read More

Somashekar Krishna, MD, MPH

As a gastroenterologist and advanced therapeutic endoscopist, I perform advanced endoscopic procedures including endoscopic ultrasound, endoscopic ultrasound-guided interventional procedures, luminal stent placement, endoscopic suturing and endoscopic mucosal resection. Read More

Luis Lara, MD

As a gastroenterologist at The Ohio State University Wexner Medical Center, I specialize in pancreatic disease and endoscopic procedures as an alternative to surgical interventions. Read More

Peter Stanich, MD

My work in gastroenterology, hepatology and nutrition includes specialized care for colon cancer prevention. I help patients with genetic conditions who are predisposed to the development of colon polyps or cancer. Read More

Radiation Oncology

Eric Miller, MD, PhD

I am a radiation oncologist who specializes in treating patients with gastrointestinal and head and neck cancers. I work as part of a multi-disciplinary team including surgeons and medical oncologists to deliver top-notch care to our patients using specialized treatment modalities like stereotactic body radiotherapy, stereotactic radiosurgery, image-guided radiation therapy and Y-90 radioembolization. Read More

Terence Williams, MD, PhD

I am a radiation oncologist who specializes on treating patients with thoracic and gastrointestinal cancers (with a particular emphasis on non-small cell lung cancer, pancreatic cancer, and hepatobiliary malignancies). Read More

Interventional Radiology

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The James Cancer Hospital and Solove Research Institute

460 West 10th Avenue

Columbus, Ohio 43210

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