colorectal cancer.

• 直肠癌

colorectal cancer.的用法和样例：

例句

1. What kind of person contracts rectum cancer easily?
   什么样的人容易患直肠癌？
2. Fournier's gangrene is a rare but often fatal manifestation of rectal cancer.
   摘要福尼耳坏疽在直肠癌病患很少见却经常致命。