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Cancer Affecting the Colon or Rectum
Usually starting with precancerous polyps, colorectal cancer is a kind of cancer originating in the colon or rectum. Among the main causes of cancer-related mortality globally is this one. Lifestyle decisions and genetic inclination significantly influence its development.
Risk factors for colorectal cancer include a family history, inflammatory bowel disease (IBD), a diet heavy in red and processed meats, obesity, smoking, alcohol intake, and physical inactivity. Although some cases have a genetic basis, lifestyle choices significantly raise the risk even if other cases are associated with hereditary genes.
Early on, symptoms usually go unnoticed; nevertheless, as the disease advances, people may have changes in bowel patterns, blood in the stool, inexplicable weight loss, stomach pain, tiredness, and anaemia. Colonoscopy, biopsy, imaging studies, and blood markers help confirm the diagnosis.
Treatment choices vary depending on the stage and can call for targeted medicines, chemotherapy, radiation treatment, or surgical tumour excision. By seeing and eliminating polyps before they become cancerous, early identification via frequent screenings—including colonoscopies—can help to avoid cancer.
Reducing the risk is mostly dependent on keeping a healthy diet, being active, and avoiding alcohol and smoking. Improving survival rates mostly depends on awareness and immediate medical intervention.