The new onset of symptomatic varicocele in elder patient, or on right side only in patient at any age, should be considered as possible evidence of tumor thrombi in renal vein or inferior vena cava.

• 所以新近发生于年老患者的精索静脉曲张或发生于任何年龄的右侧精索静脉曲张，应考虑有肿瘤栓塞于肾静脉或下腔静脉之可能。