polyposis multiple的用法和樣例：
例句
- Colonic carcinomas arising in patients with familial polyposis of the colon are frequently multiple.
家族性息肉癥患者發(fā)生的結腸癌常常是多發(fā)的。 - Nevertheless, in a minority of instances, cancers appear to be polyclonal and sometimes multifocal in origin, as for example multiple colonic polyposis.
然而，在少數病例腫瘤表現為多克隆性，甚至有時(shí)是多病灶起源，例如結腸多發(fā)性息肉病。
