Colorectal Cancer

Colorectal Cancer - Dr. Snita Sinukumar

An Overview:

  • Colorectal cancer is a cancer that starts in the rectum or colon, which is the large intestine. Both of these organs are in the lower portion of your digestive system. The colon is also known as the large intestine, and the rectum is at the end of the colon.
  • The colon and rectum, which together form the large bowel, perform vital functions in the last phases of digestion.
  • Digestion first begins in the mouth where food is chewed into smaller pieces and swallowed. The food travels down the esophagus to the stomach where it is further broken down by gastric juices and sent to the small intestine.
  • The small intestine continues to break down the content  in addition to absorbing most of the nutrients, including carbohydrates, proteins and vitamins.
  • Once the contents have passed through the small intestine, the material has become mostly liquid and is moved into the colon, which measures about 5 ½ feet long.
  • The main function of the colon is to absorb water and dehydrate the leftover material, forming semi-solid matter, or stool. The colonmoves the stool into the approximately 6-inch long rectum, which acts as a holding chamber, until it is ready to be expelled through the anus.
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