Objective To evaluate the efficacy and toxicity of icotinib,and to analyze prognostic factors influencing curative effect in patients with advanced non-small cell lung adenocarcinoma. Methods The clinical data of 90 non-small cell lung adenocarcinoma patients referred to the Jiangsu Cancer Hospital were retrospectively analyzed. Results All patients were evaluable for efficacy. Among the 90 patients,there was none with complete response( CR),55 patients with partial response( PR,61. 1%),28 patients with sta...