co·lo·rec·tal /ˌkoloˈrɛktḷ/
co·lo·rec·tal /ˌkoləˈrɛktḷ, ˌkɑlə-/ 形容詞 結腸直腸的
colorectal adj : relating to or affecting the colon and the rectum; "most colorectal cancers arise from adenomatous polyps"