TGFBR2 and neoplasm: To determine whether other clinical factors might affect the prognosis of NSCLC, univariate survival analysis, stratified by each of the clinical factors (including gender, age, vascular invasion, tumor size, invasion of lung membrane, lymph-node metastasis, TNM stage, tumor differentiation, smoking story, and TGFβR2 expression), was performed with Kaplan-Meier estimates.