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Dictionary of Cancer Terms
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stage 0 colorectal carcinoma in situ (...KOH-loh-REK-tul KAR-sih-NOH-muh in SY-too)

 Abnormal cells are found in the innermost lining of the colon and/or rectum. These abnormal cells may become cancer and spread into nearby normal tissue.

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Colon cancer staging; shows tumors growing through layers of the colon wall for Stage 0, Stage I, Stage II, Stage III, and Stage IV colon cancer. Inset shows serosa, muscle, submucosa and mucosa layers of the colon wall, and lymph nodes and blood vessels.

Previous Definitions:stage 0 anal carcinoma in situ, stage 0 bladder carcinoma in situ, stage 0 breast carcinoma in situ, stage 0 cervical carcinoma in situ, stage 0 chronic lymphocytic leukemia
Next Definitions:stage 0 disease, stage 0 esophageal carcinoma in situ, stage 0 extrahepatic bile duct carcinoma in situ, stage 0 gallbladder carcinoma in situ, stage 0 gastric carcinoma in situ