Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
A type of cancer that starts in the anus can can cause rectal bleeding and anal pain.
Blood in the stool can be an alarming symptom that signals underlying conditions from hemorrhoids to colon cancer.
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 colorectal polyp is an abnormal but often benign growth that forms on the inner (mucosal) wall of the colon or rectum. Learn about symptoms and treatment.
For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.
Colorectal cancer is a malignant (cancerous) growth that forms in the colon or rectum. Learn about symptoms and treatment.
Ulcerative colitis is characterized by chronic swelling and sores in the colon that cause bleeding, diarrhea, and abdominal pain. Learn about symptoms and treatment.
A type of cancer that begins in glandular cells that line the small intestine.
Inflammatory bowel disease is the umbrella term for two conditions that cause chronic inflammation within the digestive system: ulcerative colitis and Crohn’s disease.