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  2. Colon cancer staging - Wikipedia

    en.wikipedia.org/wiki/Colon_cancer_staging

    The T stages of bowel cancer. Numbers 0 to 4, with subgroups, are used to describe deepest tumor depth: [2] TX: The primary tumor cannot be evaluated. T0: No evidence of cancer in the colon or rectum. Tis: Carcinoma in situ; Cancer cells are found only in the epithelium or lamina propria; T1: Growth into the submucosa; T2: Growth into the ...

  3. Colorectal cancer - Wikipedia

    en.wikipedia.org/wiki/Colorectal_cancer

    Colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). [5] Signs and symptoms may include blood in the stool , a change in bowel movements , weight loss, abdominal pain and fatigue. [ 9 ]

  4. Descending colon - Wikipedia

    en.wikipedia.org/wiki/Descending_colon

    The function of the descending colon in the digestive system is to store the remains of digested food that will be emptied into the rectum. The descending colon is on the left side of the body (barring any malformations). The term left colon is hypernymous to descending colon in precise use; many casual mentions of the left colon chiefly ...

  5. Inferior mesenteric lymph nodes - Wikipedia

    en.wikipedia.org/wiki/Inferior_mesenteric_lymph...

    Colorectal cancer may metastasise to the inferior mesenteric lymph nodes. For this reason, the inferior mesenteric artery may be removed in people with lymph node-positive cancer. [3] This has been proposed since at least 1908, by surgeon William Ernest Miles. [4]

  6. Sigmoidoscopy - Wikipedia

    en.wikipedia.org/wiki/Sigmoidoscopy

    They also use it to look for benign and malignant polyps, as well as early signs of cancer in the descending colon and rectum. [1] With flexible sigmoidoscopy, the physician can see intestinal bleeding, inflammation, abnormal growths, and ulcers in the descending colon and rectum. Flexible sigmoidoscopy is not sufficient to detect polyps or ...

  7. Sessile serrated lesion - Wikipedia

    en.wikipedia.org/wiki/Sessile_serrated_lesion

    A sessile serrated lesion (SSL) is a premalignant flat (or sessile) lesion of the colon, predominantly seen in the cecum and ascending colon. SSLs are thought to lead to colorectal cancer through the (alternate) serrated pathway. [1] [2] This differs from most colorectal cancer, which arises from mutations starting with inactivation of the APC ...