NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,399 terms related to cancer and medicine.

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stage II colorectal cancer
(...KOH-loh-REK-tul KAN-ser)
Stage II colorectal cancer is divided into stages IIA, IIB, and IIC. In stage IIA, cancer has spread through the muscle layer of the colon and/or rectum wall to the serosa (outermost layer) of the colon and/or rectum wall. In stage IIB, cancer has spread through the serosa of the colon and/or rectum wall to the tissue that lines the organs in the abdomen (visceral peritoneum). In stage IIC, cancer has spread through the serosa of the colon and/or rectum wall to nearby organs.