Stool thinner shaped like a pencil
Patients with colon cancer have obvious abdominal distension, and their stools become thinner and pencil-like. Colon cancer is a common malignant tumor of the digestive tract, accounting for the second most common gastrointestinal tumor. The most common sites are the rectum and the junction of the rectum and the sigmoid colon, accounting for 60%. Most cases occur after the age of 40, with a male to female ratio of 2: 1.
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