肛周

例句：

1. 1. He was diagnosed with a condition affecting the perianal area.
   他被诊断出患有影响肛门周围的疾病。
2. 2. During surgery, the surgeon carefully removed the perianal area to avoid damaging thenerves.
   在手术中，外科医生小心地切除了肛门周围区域，以避免损伤神经。
3. 3. The patient reported experiencing itching and discomfort in the perianal area during his recovery.
   患者在康复期间报告说，他的肛门周围区域出现了瘙痒和不适感。