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.
Colonoscopy is a procedure that uses an endoscope to examine the inside of the large intestine. Learn more about this procedure.
Minimally invasive gastrointestinal surgery is a type of gastrointestinal surgery that involves smaller incisions and shorter recovery time. Learn more about this procedure.
Inflammatory bowel disease is the umbrella term for two conditions that cause chronic inflammation within the digestive system: ulcerative colitis and Crohn’s disease.
Cancer screening is any method of looking for cancer before it causes symptoms and may be easier to treat.
Magnetic resonance defecography (MR defecography) involves a special MRI test that focuses on more clearly imaging the pelvic area. Learn more about this procedure.
For patients having a colonoscopy, Yale Medicine's anesthesiologists offer both conscious sedation and general anesthesia, tailored to your needs.
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.
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.