Objective:Trans-bronchial lung biopsy (TBB) is very important method for diagnosis in center lung cancer,but for peripheral lung tumor the usage of TBB has more limitation.

• 目的:探讨利用正侧位透视定位行纤维支气管镜(纤支镜)肺活检以达到对肺周边组织及肿物明确诊断,从而扩大纤支镜在临床诊断中的应用。