“…Incidences of lung cancer in China have been increasingly more serious for the past few years, in which NSCLC accounts for>80%, including large cell carcinoma, adeno-carcinoma and squamous carcinoma (Govindan et al, 2006;Liu et al, 2013;Kim et al, 2014). Surgery is one of the optimal therapeutic methods for early treatment, but it is difficult to perform because there is no specific or obvious clinical symptom in early stage (Yu et al, 2013;Oven Ustaalioglu et al, 2013;Mandal et al, 2013).…”