For 18 cases, the ascending vein and iliolumbar vein separately drained into common iliac vein, and for 12 cases a common trunk entered into the common iliac vein.

• 结果：腰升静脉和髂腰静脉在每具标本中均存在，有静脉分干和共干汇流到髂总静脉等4种形式。