Dictionary of Cancer Terms
View in Spanish: Cáncer colorrectal
Colorectal cancer (KOH-loh-REK-tul KAN-ser)
Cancer that develops in the colon (the longest part of the large intestine) and/or the rectum (the last several inches of the large intestine before the anus).
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.