As we know that the cancer is a group of more than 100 types of diseases. It affects the body’s basic unit called cell. Cancer occurs in the body when cells become abnormal along with uncontrolled division of cells. Colon is a part of digestive system where waste materials are stored. And rectum is the end of the colon which is adjacent to anus.

Tumors of colon and rectum are growths which arises from the inner wall of the larger intestine. Benign tumors are termed as polyps of the larger intestine. Malignant tumors are cancerous. Benign polyps do not spread to other parts of the body and can be cured with the help of colonscopy. The risk factors of colorectal cancer includes high fat intake, family histoy , chronic ulcerative colitis etc.

colorectal cancer sympotms are still numerous and non specific. It includes fatigue, weakness, shortness of breath, narrow stools, diarrhea, constipation , red blood in the stool, abdominal pain , weight loss etc. In case of suspicious patient the doctor performs colonscopy to diagnose the tumor. Besides this , x-rays, ultrasonography, and CAT scan of the lungs , liver and abdomen are performed to avoid the metastasis to these parts. To avoid the risk of colorectal cancer, early detection and removal of precancerous colon polyps should be done before making it deadly. Treatments involves surgery, chemotherapy, radiation therapy etc. After the treatment follow-up exams are crucial in case of colon cancer as it has the chances of recurring. Follow -up exams means physical examination, blood tests of the liver enzymes , chest x-rays, CAT scans of the abdomen etc are regualarly done by the doctor .

In western world, its playing crucial role in causing death. For lessening its cases a clear understanding of the causes and course of the disease is needed. It has shown the need of thehour to screen and prevention of this disease.

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