1、11/5/2022前中后下前后后下上舌11/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/2022111/5/2022211/5/202211/5/2022311/5/2022411/5/2022511/5/202202117777 0211940711/5/2022纵隔九分区法:在侧位片上将纵隔划分为前、中、后及上、中、下九个区。前纵隔系胸骨之后,心、升主动脉和气管之前的狭长三角区。中纵隔相当于心、主动脉弓、气管及肺门占据的区域。食管以后和胸椎旁区为后纵隔
2、。自胸骨柄、体交界处至第4胸椎下缘连一水平线,其上为上纵隔,其下至肺门下缘的水平线为中纵隔,肺门下缘以下至膈为下纵隔。20胸部肺窗和纵隔淋巴结CT解剖11/5/202221胸部肺窗和纵隔淋巴结CT解剖11/5/202211/5/202211/5/202211/5/202211/5/2022ATSATS分区法分区法气管分叉11/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/202211/5/2022左下叶支气管起始平面以上11/5/202211/5/202211/5/202211/5/2022好运!好运!11/5/2022