Papilla duodeni major

例句：

1. 1. The doctor performed a biopsy on the patient's duodenal papilla to investigate the cause of his symptoms.
   医生对患者的十二指肠乳头进行了活检，以调查他的症状原因。
2. 2. During surgery, the surgeon carefully removed the duodenal papilla to avoiddamaging the surrounding tissue.
   在手术中，外科医生小心翼翼地切除了十二指肠乳头，以避免损伤周围的组织。
3. 3. The patient experienced severe pain and discomfort after the duodenal papilla was removed, which required further medical intervention.
   患者在接受十二指肠乳头切除后经历了剧烈的疼痛和不适，这需要进一步的医疗干预。