For very low rectal tumors, where the sphincter cannot be preserved, surgical resection of the colon, rectum, and anus is required. Thus, after surgery, the patient will wear an artificial anus for life.

The colon is divided into three main parts: the cecum, the colon, and the rectum. The small intestine communicates with the large intestine at the cecum and colon boundary. Between the small intestine and the large intestine, there is an ileocecal valve that keeps the contents of the large intestine from flowing back into the small intestine.

I have colon cancer. In 2017, I had a transverse colectomy. In 2019, I had a descending colectomy. On July 21, 2021, I had a routine check-up at the hospital and had a colonoscopy. The doctor said that the colon was twisted, the bronchoscope could not enter, the hospital prescribed treatment. So I want the doctor to advise on how to treat a volvulus

For colorectal cancer, surgery is almost mandatory at all stages, the disease responds poorly to other treatments. Therefore, all patients after diagnosis need to follow the doctor's instructions, surgery as soon as possible if indicated.

Colonic diverticulosis is a common disease, especially after the age of 40. When colonic diverticulosis is inflamed but not diagnosed and treated promptly, it can leave serious complications, easily confused with colorectal cancer. So should colonic diverticulitis be operated on or not?

Colonic diverticulosis is a common disease in the elderly, often without symptoms. Hemorrhagic complications occur due to rupture of a blood vessel in the colonic diverticulum. Fresh blood flows out of the anus or sometimes dark, mahogany-colored stools when bleeding occurs in the right colonic diverticulum.

Colonic diverticula are a common condition in older adults and often cause no symptoms unless the diverticula become inflamed, a condition known as colonic diverticulitis.

Pancolitis is inflammation of the entire colon. Pancolitis is most commonly caused by ulcerative colitis (UC), but can also be caused by C. difficile infection, or by inflammatory disorders such as rheumatoid arthritis (RA).