Recticallis

例句：

1. 1. He had a rectal examination to check his health.
   他进行了直肠检查以检查他的健康状况。
2. 2. The patient wasdiagnosed with rectal cancer.
   病人被诊断出患有直肠癌。
3. 3. During the surgery, the surgeonremoved a large tumor from the patient's rectal area.
   在手术期间，外科医生从患者的直肠区域移除了一个大型肿瘤。