Colon cancer is the presence of cancerous tumors in the colon or rectum. The third most commonly occurring form of cancer in the world, it usually begins with small, precancerous polyps, which may turn cancerous if they remain unchecked. Screening colonoscopies can help detect these polyps before they become malignant. Full recovery from colon cancer is possible, particularly if the infection has only spread as far as the wall of the colon.
Almost all patients with colon cancer experience a change in bowel movement patterns. They may begin to have recurrent bouts of diarrhea or constipation for no identifiable reason. Given the non-specific nature of randomly occurring bowel disturbances, these signs are often not taken seriously, and people may choose to treat them using over-the-counter medications, rather than seeking medical input. However, if the symptom does not resolve quickly, it is essential to see a doctor.
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