左利left handedness
左手性left-handedness
左侧胫腓骨正侧位Left Tibia Fibula AP & LAT
左侧肘关节正侧位Left Elbow Joint AP & LAT
左旋螺母left-hand threaded nut
左房血栓清除术left atrial thrombectomy
经心尖的左心室旁路transapical left ventricular bypass
左房壁折叠术left atrial wall plication