fibroma of anus

例句：

1. 1.The patient had a history of multiple genital warts and anal fibromas.
   患者有多个生殖器疣和肛门纤维瘤的历史。
2. 2. The diagnosis of anal fibroma is often delayed due to its non-specific symptoms.
   肛门纤维瘤的诊断通常因其非特异性症状而被延迟。
3. 3. The patient underwent surgery to remove the anal fibroma, which was causing significant discomfort.
   患者接受了手术，以移除引起严重不适的肛门纤维瘤。