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colorectal cancer

colorectal cancer is a term used to describe cancer that starts in the colon or rectum. these parts of the digestive system are responsible for the absorption of water and nutrients from food and the formation and storage of waste. colorectal cancer typically begins as small, benign clumps of cells called polyps that form on the inside of the colon. over time, some of these polyps can become cancerous.

symptoms of colorectal cancer include changes in bowel habits, blood in the stool, persistent abdominal discomfort, weakness or fatigue, and unexplained weight loss. many people with early-stage colorectal cancer don't experience symptoms, which is why screening is important.

risk factors for colorectal cancer include older age, african-american race, a personal or family history of colorectal cancer or polyps, inflammatory intestinal conditions, a low-fiber and high-fat diet, a sedentary lifestyle, diabetes, obesity, smoking, and alcohol.

diagnosis often involves a colonoscopy, where a long, flexible tube is used to examine the inside of the colon and rectum. if cancer is found, tests are conducted to determine the stage.

treatment depends on the stage of cancer and may include surgery, radiation therapy, chemotherapy, targeted therapy, or a combination of these treatments. in some cases, palliative care will also be important to help relieve symptoms and side effects.

prevention strategies include maintaining a healthy lifestyle with regular exercise and a balanced diet, avoiding tobacco and limiting alcohol, and undergoing regular screenings, especially if you have a family history of the disease.

ongoing research is focused on better understanding the causes of colorectal cancer, developing new treatments, and improving screening methods to detect the disease early when it's most treatable.

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