Methods 100 cases with undetermined shadows in the lungs by X-Ray and CT were observed by fiberoptic bronchscopy,biopsy examination,brush biopsy and bronchial lavage.

• 方法X线、CT不能明确诊断的肺部阴影患者100例,经纤支镜观察、活检、刷检、灌洗及临床治疗随访明确诊断。