Posterolateral thoracotomy was done in 1 case, in which the line P passed the affected vertebrae, while line E1 and E2 passed the medium or inferior part of the sternum of manubrium as well.

• 1例P经过病变椎体，E1和E2经过胸骨柄中下部者采用后外侧经胸腔入路完成手术。