Digestive System

Achalasia is a disorder of the esophagus that makes it difficult to swallow food and liquids.

Alcohol-related liver disease is liver damage caused by excessive consumption of alcohol. Learn about symptoms and treatment.

Amyloidosis is a disease marked by the accumulation of abnormally folded proteins in organs and tissues. Learn about symptoms and treatments.

A type of cancer that starts in the anus can can cause rectal bleeding and anal pain.

For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.

Celiac disease is a digestive disorder in which the small intestine becomes inflamed and damaged by gluten, a protein found in many grains.

Cirrhosis is a condition in which the liver is scarred due to liver disease. Learn about symptoms and treatment.

New drugs and medical treatments need to go through a series tests called clinical trials. This is how new and better treatments are made possible.

A type of bacteria, Clostridium difficile ( C. diff ), causes one of the most common health care-associated infections in the United States.

Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.

Colorectal cancer is a malignant (cancerous) growth that forms in the colon or rectum. Learn about symptoms and treatment.

A type of cancer that begins in the gallbladder, a small organ located below the liver.

Condition marked by inflammation of the stomach and intestines.

Gastrointestinal cancers occur when DNA changes cause malignant (cancerous) cells to grow along the gastrointestinal tract. Learn about symptoms and treatment.

Gastrointestinal neuroendocrine tumors are cancers that develop in the digestive tract. They most often form in the small intestine, but can develop in the stomach, rectum, appendix, or other parts of the gastrointestinal system.

A group of syndromes characterized by the presence of numerous polyps in the colon, rectum, and/or other parts of the GI tract. People with GI polyposis syndromes are at increased risk for colorectal cancer and, in some cases, stomach cancer or cancers in other parts of the body.

A gastrointestinal stromal tumor is a rare type of cancer that starts in cells in the wall of the digestive tract. Learn about symptoms and treatment.

A liver transplant is a procedure that replaces a patient's failing liver with a healthy one. Learn about symptoms and treatment.

Pancreatitis, or inflammation of the pancreas, can cause severe abdominal pain, nausea, and vomiting. It can be chronic, in which case it develops slowly over time, or acute, when it develops suddenly and lasts a short time.

Constipation is characterized by either infrequent bowel movements or the passage of dry, hard stools.

Pediatric Crohn’s Disease is an inflammatory bowel disease that can stunt growth in children. Learn about symptoms and treatment.

Pediatric liver transplant is a procedure that provides a donated liver to a child with a life-threatening liver disease.

Pediatric gastroesophageal reflux is a condition of repeated regurgitation in babies that irritates the esophagus and causes pain. Learn about symptoms and treatment.

Ulcerative colitis causes swelling and sores in the colon, but with proper treatment, however, children can live happy, healthy lives.

POEM is a minimally invasive, endoscopic procedure for treating achalasia and other swallowing disorders. Learn about symptoms and treatment.

A type of cancer that begins in glandular cells that line the small intestine.

Stomach cancer develops when malignant cells begin to grow somewhere in the five layers that form the stomach lining. Learn about symptoms and treatment.