- 直肠癌 zhícháng'ái rectal cancercancer of the rectum; rectal carcinoma
- 直肠子 zhíchángzi forthright person(colloquial) a frank, guileless, or straightforward person who speaks their mind without hidden motives
- 直肠直肚 zhíchángzhídù straightforwardfrank and outspoken; colloquially used to describe a person who is honest and direct without hiding anything
- 直肠镜 zhíchángjìng proctoscopea medical instrument used for examining the rectum
- 肛门直肠 gāngménzhícháng anorectalthe anus and the rectum; relating to the anus and the rectum