papilloma of ureter

例句：

1. 1. The patient had ahistory of multiple ureteral papillomas, which required regular follow-up.
   患者有多次输尿管乳头状瘤的病史，需要定期随访。
2. 2. The diagnosisof ureteral papillomas is often made during surgery for otherconditions.
   输尿管乳头状瘤的诊断通常在为其他条件进行手术时发现。
3. 3. Ureteral papillomas can causesignificant pain and obstruction, necessitating surgical removal.
   输尿管乳头状瘤可能导致严重疼痛和阻塞，需要手术治疗。