Advances in Gastroenterology and GI Surgery

Our team of physicians and digestive care experts offer procedures, services, and facilities based on the latest medical advances that can be challenging to find elsewhere. One of the most experienced in the country, our program provides comprehensive care and a wide range of treatment options, all in one location.

MRI of colorectal cancer liver metastases
GI Surgery, Transplant

Liver Transplantation Offers a Promising Option for Colorectal Cancer Liver Metastases

Weill Cornell Medicine physicians are leading cutting-edge treatments for patients with colorectal cancer liver metastases (CRLM).

image of Dr. Bo Shen
Physician Story

Dr. Bo Shen: A Career Dedicated to Transforming Care for Complex IBD and Ileal Pouch Disorders

Medical Director of Columbia’s Inflammatory Bowel Disease Center transforms the field of interventional IBD for the management of complex IBD and pouch disorders.

Illustration of the liver within the gastrointestinal tract

Women and Black Patients at Significant Disadvantage in Receiving Liver Transplants

A Weill Cornell transplant hepatologist developed a novel metric to demonstrate disparities in liver transplantation for alcohol-associated disease.

Digital illustration of fatty liver disease and its cells under a microscope

Bridging the Gap Between Primary Care and Hepatology for Diabetes Patients at-risk for NAFLD

Weill Cornell Medicine hepatologist implements algorithm to detect nonalcoholic fatty liver disease with advanced fibrosis in primary care patients with diabetes

3D illustration of colorectal cancer

NewYork-Presbyterian: Focused on Detecting and Preventing High-Risk GI Cancers

The Gastrointestinal Cancer Prevention and Genetics Program at NewYork-Presbyterian/Columbia is Leading the Way to Defeat High-Risk Familial Cancers

Illustration of the human digestive system

NewYork-Presbyterian Enrolls First Patient in National Study of Sacral Nerve Stimulation Device for Inflammatory Bowel Disease

The IBD Center at Columbia leads enrollment in an early feasibility study of sacral nerve stimulation for the treatment of Crohn’s disease and ulcerative colitis.

vector illustration of celiac disease in the intestine with normal villi and damaged small bowel lining

Celiac Disease: NewYork-Presbyterian Gastroenterologist Addresses Misinformation and Treatment Challenges

Columbia gastroenterologists discuss new guidelines for diagnosing celiac disease, provide education about non-celiac gluten sensitivity, and highlight ongoing research.

Illustration of cytoreductive surgery with HIPEC

NewYork-Presbyterian Offers Innovative Approach to Treating Cancer in the Peritoneal Cavity

Weill Cornell Medicine faculty now provide cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC)

Illustration of colon cancer

A Novel Treatment for Nonmetastatic Colon Cancer Meets Major Milestone in Phase 1 Clinical Trial

Weill Cornell Medicine faculty lead Phase 1 clinical trial demonstrating that starting adjuvant chemotherapy at the time of surgery is a safe and feasible approach to treating colon cancer.

Intestine showing inflammation that occurs in patients with Crohn’s disease

Examining real-world use of ustekinumab in treating Crohn’s disease

Weill Cornell Medicine gastroenterologists participate in a multicenter, multinational consortium to study the safety and effectiveness of a new biologic treatment for Crohn’s disease.

Human Respiratory System Lungs Anatomy

The Role of Body Mass Index and other Risk Factors for Cancer in Adults with Cystic Fibrosis

Although cystic fibrosis patients are at higher risk of developing cancer, a Columbia gastroenterologist and cancer specialist discover that higher BMI was associated with reduced, not increased, risk of cancer in transplanted adults with cystic fibrosis.

image of two pill packs of Paxlovid

Antivirals and Organ Transplant Recipients: Experts Offer Management Recommendations

Weill Cornell Medicine and Columbia specialists in organ transplantation offer guidelines in managing clinically significant drug-drug interactions with Paxlovid and transplant immunosuppressants.

vector illustration of intestines with inflamed large intestines n red

Investigating Ileal Pouch-Anal Anastomosis and Pouch Dysfunction

A noted Columbia colorectal surgeon investigates the symptoms, causes, and treatments of patients to better understand the physiology of ileal pouch-anal anastomosis and poor pouch emptying.

vector illustration of healthy and diseased livers

Assessing Long-Term Cancer Risk in Alcohol-Related Liver Disease

An international research team that includes Columbia faculty in gastroenterology and hepatology evaluates the long-term risk of hepatocellular carcinoma in persons with ALD to determine if surveillance is warranted.

Scientist pipetting sample into a vial for DNA testing

Advancing the Early Detection of Pancreatic Cancer

At Columbia, Dr. Anil Rustgi presents insights into the current state of genetic testing, screening and surveillance with a goal to diagnose pancreatic cancer at a more treatable stage.

image of pouchitis in the GI tract

Leading Consensus Efforts on Managing Inflammatory Pouch Disorders

A Columbia IBD interventionalist and a colorectal surgeon spearhead development of practice guidelines for inflammatory pouch disorders.

vector illustration of intestine with Crohn’s disease

Crohn’s Disease: Confronting the Ongoing Challenge of Post-Operative Recurrence

Dr. Fabrizio Michelassi, Weill Cornell Medicine Chairman of Surgery, reports on how advances in bowel-sparing procedures are helping to optimize outcomes for patients.

vector illustration of the mechanisms of swallowing

Esophagology: An Evolving Subspecialty Whose Time Has Come

Columbia gastroenterologist and leading authority in esophageal disorders establishes the Esophagology and Swallowing Center with a special focus on the management of eosinophilic esophagitis and esophageal atresia.

image of surgeons performing Laparoscopic surgery

Same-Day Colectomy: A New Option for Select Patients?

Columbia colorectal surgeons evaluate the feasibility and safety of ambulatory surgery “fast track” recovery protocols in carefully selected patients undergoing colorectal resection and anastomosis.

image of Opportunistic high-damaging Candida albicans strain (left) in the colon mucosa of an IBD patient

How Toxin-Producing Yeast Strains in the Gut Fuel Inflammatory Bowel Disease

Weill Cornell Medicine faculty discover that C. albicans strains may damage the gut of patients with inflammatory bowel disease, and these findings could potentially inform personalized treatment approaches.

image of the anatomy of the male colon

Assessing Techniques to Prevent Anastomotic Leak

A renowned colorectal surgeon at Weill Cornell Medicine provides an in-depth discussion of techniques developed to reduce the rate of anastomotic leak following bowel surgery.

image of Stomach cancer cells from a mouse model

The Complex Biology Behind Gastric Cancers

Columbia gastroenterology faculty examine the role of stem cells in the development of cancer in the upper gastrointestinal tract.

3D liver illustration

Leading the Way in Living Donor Liver Transplantation

A Weill Cornell Medicine liver transplant surgeon addresses advancements that are making living donor liver transplantation surgeries safer and easier to the benefit of recipients and donors alike.
image demonstrating TNF-driven intestinal inflammation

Key Growth Factor Protects Gut from Inflammatory Bowel Disease

Weill Cornell Medicine researchers discover a new cellular pathway that is essential to protect against gut inflammation that could lead to a better understanding of IBD pathogenesis and new treatment strategies.

image of hernia repair surgery

Abdominal Wall Surgery: Redefining Expertise for an Emerging Specialty

Columbia Hernia Center surgeons present factors that are changing the surgical landscape for hernia repair from open operations to minimally invasive approaches.

Endoscope view of a wire mesh stent in the colon of a patient with colon cancer

Benefits of Colonic Stents as a Bridge to Surgery

Weill Cornell Medicine surgical oncologist and colon and rectal surgeon, Dr. Heather Yeo, and her team conduct the first study to use propensity score matching comparing colonic stenting with immediate resection.

digital illustration of pancreas highlighted in body

Familial Pancreatic Cancer: Confronting the Risk

Columbia gastroenterologists discuss hereditary cancer syndromes associated with pancreatic cancer and approaches to identify risk.

3D illustration of fatty liver disease and hepatic steatosis

Advancing Understanding and Management of Fatty Liver Disease

Gastroenterologists at NewYork-Presbyterian Hospital continue to characterize the biological mechanisms of non-alcoholic fatty liver disease, define best practices for its management, and pursue research to identify effective treatment options.

Microscopic image of colonic adenocarcinoma with hematoxylin and eosin stain

Lynch Syndrome: Reducing the Risk of Cancer with Genetic Precision

Comprehensive GI Clinical Cancer Genetics programs at NewYork-Presbyterian Hospital are furthering understanding of inherited cancer syndromes such as Lynch syndrome to facilitate early screening and prevent the development of colorectal cancer.

digital illustration of gastric sleeve vs gastric bypass bariatric surgery

Spearheading Advances in Bariatric Surgery

Comprehensive and collaborative bariatric surgery and weight management programs at NewYork-Presbyterian Hospital are providing integrated care by endocrinologists and surgeons, helping patients achieve significant and durable weight loss and improve overall health.

image of Ulcerative Colitis

Tackling Treatment Challenges in IBD

Columbia and Weill Cornell gastroenterologists and GI surgeons are advancing the care of inflammatory bowel disease, including pouch disorders, though new program initiatives and research that span a range of investigations from the laboratory to the clinic to further development of effective therapies.

image of Dr. Kelley Yan

Revealing the Role of Stem Cells in Gut Regeneration

Studies of intestinal stem cells are shedding light on the mechanisms of gut regeneration. A physician-scientist at NewYork-Presbyterian/Columbia has set her sights on applying the discoveries made in her lab to improve tissue healing and treatment for the many diseases that can affect the gut.

image of Dr. John M. Poneros

A New Pancreatitis Program: Comprehensive Care for Progressive Pancreatic Disease

Given our experience and the enormous volume of patients with pancreatic disease that we see here at Columbia, we felt that it was valuable to formalize our treatment of these patients with a full-service program.

image of Dr. Daniel E. Freedberg

Proton Pump Inhibitors: The Risk-Benefit Equation

Proton pump inhibitors (PPIs) have become one of the top oral medications in the United States. With the rise of use, clinicians and researchers at NewYork-Presbyterian/Columbia are studying the possibility of adverse effects of these drugs.

image of Dr. Carl V. Crawford

Fecal Microbiota Transplant: An Old Remedy Made New

While the use of fecal material as a medical remedy dates back to the fourth century, usage waned. In recent years, fecal microbiota transplant to control multiple relapses of Clostridium difficile infections is rising.

image of Dr. Tamas A. Gonda

Pancreatic Cysts: When Is There a Cause for Concern?

The Pancreatic Cyst Surveillance Program at NewYork-Presbyterian/Columbia helps identify patients with pancreatic cysts who are at risk for developing cancer and those who are not.

image of Dr. Jeffrey W. Milsom

A Long and Winding Road: Scoping Out Uncharted Territory in the Colon

The DiLumen Endolumenal Interventional Platform (EIP) developed at NewYork-Presbyterian/Weill Cornell is paving the way for dramatic changes in the treatment of many intestinal diseases.

Newsletters for Medical Professionals

2023 Issue 3

2023 Issue 2

2023 Issue 1

2022 Issue 4

2022 Issue 3

2022 Issue 2

2022 Issue 1

2021 Issue 3

2021 Issue 2

2021 Issue 1

2020 Issue 1

2019 Issue 2

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2017 Issue 2

  • Mobile Health Technology: Tracking Postop Recovery to Improve Outcomes
  • Proton Pump Inhibitors: The Risk-Benefit Equation

2017 Issue 1

  • Motility Disorders: A Comprehensive Management Approach
  • NAFLD Research: Making Progress on Many Fronts

2016 Issue 3

Spring 2016