Colon-CancerColon is the lower part of our digestive system. It starts in the right lower side of abdomen, then goes up and take a turn near liver, goes horizontally to the left up to spleen, then goes down up to rectum. It is a long tube like structure. Cancer may affect colon. Usually affects the people above the age of 50 years. But due to food adulteration and other chemical toxins in the environment we are having cancer in younger age also. It may present as change of bowel habits, abdominal pain, distension, bleeding with stool. Bleeding sometimes evident, sometimes occult. Before being aware of the cancer, one may suffer from shortage of blood and weakness. There may be constipation followed by diarrhea. In most of the cases when the patient notice all the symptoms, cancer may grow bigger so that it can be felt from outside the abdomen. In the developed countries by the time colon cancer is diagnosed, 25% of them are found to be inoperable. Because of the fact that cancer by this time has spread to the surrounding structures like urinary bladder, pancreas, urethra etc.

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