十二指肠虫

例句：

1. 1. The doctor performed an operation to remove the tumor from the patient's duodenum.
   医生为患者进行了手术，从十二指肠中取出了肿瘤。
2. 2.Duodenoscopy is a medical procedure that involves examining the inner lining of the small intestine.
   双腔镜检查是一种医疗程序，涉及检查小肠的内壁。
3. 3. The patient was diagnosed with a rare genetic disorder affecting the duodenum.
   患者被诊断出患有一种罕见的遗传病，影响十二指肠。