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Starting in the colon or rectum, sections of the digestive tract, colorectal cancer is a malignant disease. Usually starting as little, benign polyps, left untreated, it could cause them to develop into cancer over time. Risk factors include a family history of colorectal cancer, inflammatory bowel illnesses, a low-fiber, high-fat diet, smoking, obesity, and ageing over 50.
Often showing no signs, early-stage colorectal cancer is Signs as it advances could be rectal bleeding, blood in the stool, ongoing stomach pain, changes in bowel habits, and unexplained weight loss. Early detection and prevention depend critically on routine colonoscopies because of their typically inconspicuous presentation.
Imaging, endoscopic surgeries, and biopsies all help confirm the diagnosis. Treatment varies depending on the stage of cancer and can call for immunotherapy, targeted treatments, radiation, chemotherapy, or surgery.