%0 Journal Article %T Epidermal growth factor receptor (EGFR) T790M mutation identified in plasma indicates failure sites and predicts clinical prognosis in non-small cell lung cancer progression during first-generation tyrosine kinase inhibitor therapy: a prospective observational study %A Bing Xia %A Enguo Chen %A Lucheng Zhu %A Qiong Zhao %A Shenglin Ma %A Shirong Zhang %A Xiaochen Zhang %A Xueqin Chen %A Xufeng Chen %J Archive of "Cancer Communications". %D 2018 %R 10.1186/s40880-018-0303-2 %X The online version of this article (10.1186/s40880-018-0303-2) contains supplementary material, which is available to authorized users %K Non-small cell lung cancer %K Epidermal growth factor receptor %K T790M %K ctDNA %K Failure sites %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5993134/