The sigmoid colon is the last section of the bowel — the part that attaches to the rectum. It pushes feces along the bowel tract. It’s about a foot and a half long (around 40 centimeters) and is ...

When you have ulcerative colitis (UC), it’s important for your healthcare team to regularly assess inflammation in your colon (large intestine). To do this, it’s necessary to have periodic endoscopic ...

A sigmoidoscopy is a procedure that lets your doctor look inside your sigmoid colon. Similar to a colonoscopy, it uses a flexible tube, a small camera, and a light and helps diagnose conditions like ...

A sigmoid septum occurs when part of the heart muscle expands and blocks a pathway blood uses to leave the heart’s left side. It often does not cause symptoms and has links to aging. The heart ...