Because of the advanced age of the patient and the lack of symptoms such as fever, urethral discharge, and dysuria, malignancy of the left epididymal mass was suspected.

• 由于临床上，病人已届高龄且并无发烧及不正常尿道分泌物，亦无解尿疼痛等发炎感染症状。于是怀疑此肿块有恶性的可能。