Recessus retrocecalis

例句：

1. 1. The patient's symptoms were consistent with a retrocecal abscess.
   患者的临床症状与回肠脓肿相符。
2. 2.The surgeon performed a laparoscopic procedure to remove the retrocecal tumor.
   外科医生进行了腹腔镜手术，切除了回肠肿瘤。
3. 3. The patient was admitted to the hospital for further treatment of the retrocecal infection.
   患者因回肠感染被收治入院接受进一步治疗。