deformity of rectum

例句：

1. 1. He was diagnosed with a deformity of the rectum, which required surgery.
   他被诊断出直肠有畸形，需要手术治疗。
2. 2.The patient's condition worsened after undergoing surgery for the deformity of the rectum.
   患者因直肠畸形接受了手术，病情恶化。
3. 3. The doctor explained that the deformity of the rectum could be caused by various factors, including genetics and lifestyle habits.
   医生解释说，直肠的畸形可能是由多种因素引起的，包括遗传因素和生活习惯。