Objective To study the role of 18FDG-PET in diagnosing the metastasis of the mediastinal lymph nodes(MLN)of non-small cell lung cancer(NSCLC) and possible correlation between SUV of primary tumor and some clinical factors.

• 目的初步探讨18FDG鄄PET对非小细胞肺癌(NSCLC)纵隔淋巴结转移的诊断价值和影响SUV值(standarduptakevalue)的可能相关因素。