descending colon

Colon

What is the colon? The colon is an organ and a part of the gastrointestinal tract. Other parts of the gastrointestinal tract include the mouth, esophagus, stomach, small bowel, rectum, and anal canal. The colon is a long hollow tube that starts at the small bowel and ends at the anal canal. Together, the colon, …
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Invasive adenocarcinoma of the colon and rectum

What is invasive adenocarcinoma? Invasive adenocarcinoma is the most common type of colon cancer. It starts from the glands normally found on the inside surface of the colon. Any part of the colon, from the cecum to the rectum, can be involved. In many cases, this type of cancer starts in a pre-cancerous condition called …
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