Cancerrectal Share Tweet By or having to do with the rectum. The rectum is the last several inches of the large intestine closest to the anus.( REK-tul )Source: NCI Dictionary of Cancer TermsSearch the Glossary of Medical Terms Previous: recreational therapy Next: rectal cancer NewsletterSign up for the QuackTrack.org newsletter below! Click to commentLeave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment *Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ QuackTrack on TwitterTweets by QuackTrack_org Trending Posts