摘要

<正>1文献来源Rozman A,Malovrh MM,Adamic K,et al.Endobronchial ultrasound elastography strain ratio formediastinal lymph node diagnosis[J].Radiol Oncol,2015,49(4):334-340.2证据水平1b。3背景对尚未远处转移的早期肺癌患者,准确的肺门纵隔淋巴结分期是选择外科手术术式的重要决定