ectopism

例句：

1. 1. The ectopic growth of the tumor was causing significant pain in her back.
   肿瘤的异位生长导致她背部剧烈疼痛。
2. 2.The researchers found that the ectopic tissue could be used to treat certain diseases.
   研究人员发现，异位组织可以用于治疗某些疾病。
3. 3.The ectopic pregnancy is a rare but serious condition that requires immediate medical attention.
   异位妊娠是一种罕见但严重的状况，需要立即医疗关注。