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Early Detection Of Colon Cancer Is The Key To Survival
Colorectal cancer, also called colon cancer or bowel cancer, includes cancerous growths in the colon, rectum and appendix. It is the third most common form of cancer and the second leading cause of death among cancers in the Western world.
Many colorectal cancers are thought to arise from adenomatous polyps in the colon. These mushroom-like growths are usually benign, but some may develop into cancer over time. The majority of the time, the diagnosis of localized colon cancer is through colonoscopy.
Therapy is usually through surgery, which in many cases is followed by chemotherapy.Colorectal cancer can take many years to develop and early detection of colorectal cancer greatly improves the chances of a cure.
Therefore, screening for the disease is recommended in individuals who are at increased risk. There are several different tests available for this purpose.Surgical treatment is by far the most likely to result in a cure of colon cancer if the tumor is localized.
Very early cancer that develops within a polyp can often be cured by removing the polyp at the time of colonoscopy. More advanced cancers typically require surgical removal of the section of colon containing the tumor leaving sufficient margins to reduce likelihood of re-growth.
If possible, the remaining parts of colon are anastomosed together to create a functioning colon. In cases when anastomosis is not possible, a stoma (artificial orifice) is created. While surgery is not usually offered if significant metastasis is present, surgical removal of isolated liver metastases is common. Improved chemotherapy has increased the number of patients who are offered surgical removal of isolated liver metastases.
Laparoscopic assist resection of the colon for tumour can reduce the size of painful incision and minimize the risk of infection.
As with any surgical procedure, colorectal surgery can in rare cases result in complications. These may include infection, abscess, fistula or bowel obstruction.
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