papillary cystadenocarcinoma of pancreatic duct

例句：

1. 1. The patient'stumor was diagnosed as a papillarycystadenocarcinoma.
   患者的肿瘤被诊断为乳头状囊腺癌。
2. 2. The treatment for this type ofcancer is surgical resection followed by radiationtherapy.
   这种癌症的治疗方法是手术切除后辅以放疗。
3. 3. The prognosis for patientswith papillary cystadenocarcinoma is generally poor dueto its aggressive nature.
   由于其侵袭性，乳头状囊腺癌患者的预后通常较差。