围绕着肺癌的早期诊断、提高术前确诊率、降低剖胸探查率等问题,近代发展了一系列有关的诊断技术,本文拟就有关这方面的国外文献作一简介,亦作为我们开展这项工作的准备之一。纤维支气管镜是近十年来发展起来的一种可曲性支气管镜,对中心型肺癌病变在亚 Focusing on the early diagnosis of lung cancer, increasing the preoperative diagnosis rate, and reducing the rate of exploratory thorax exploration, a series of related diagnostic techniques have been developed in the modern era. This paper proposes to give a brief introduction to foreign literature in this area and also to develop this as ours. One of the preparations for the work. Fibrous bronchoscope is a kind of flexible bronchoscope developed in the recent ten years.