Plexuas rectalis superior

例句：

1. 1. The patient's condition was stable, but the doctor advised against surgery for the Plexuas rectalis superior.
   患者的病情稳定，但医生建议不要对直肠上部进行手术。
2. 2. During the examination, the doctor found a small polyp in the Plexuas rectalis superior.
   检查期间，医生在直肠上部发现了一个小息肉。
3. 3.The patient was referred to a specialist for further treatment of the Plexuas rectalis superior lesion.
   患者被转诊给专家，以进一步治疗直肠上部的病变。