On the sections of 27 cadavers (61.4%), left pulmonary artery and anterior segmental artery which together like a fishhook drew left superior pulmonary vein.

• 在27例(61.；4%25)断层标本上，左肺动脉与前段动脉一起呈“鱼钩”状勾绕左上肺静脉。