pseudomucinous cystadenoma

例句：

1. 1. This rare condition is characterized by thepresence of a pseudomucinous cystadenoma inthe liver.
   这种罕见的病症特征是肝脏中存在一个假粘液瘤。
2. 2. The patient's medical history revealed a pseudomucinous cystadenoma that had been causing persistent pain.
   患者的医疗史显示，一个假粘液瘤一直在造成持续的疼痛。
3. 3. The diagnosisof this malignant tumor necessitated immediate surgical removal to prevent potentialcomplications.
   这种恶性肿瘤的诊断需要立即进行手术，以避免潜在的并发症。