pericanalicular

例句：

1. 1. The patient's pericanal area was swollen and tender to the touch.
   患者的肛门周围肿胀且触感疼痛。
2. 2. The doctor advised the patient to avoid strenuous activities in the pericanal area.
   医生建议患者避免在肛门周围的剧烈活动。
3. 3.During the examination, the doctor found a small bump on the patient's pericanal area.
   检查过程中，医生在患者的肛门周围发现了一个小肿块。