Icotinib as Neoadjuvant and Adjuvant Therapy in EGFR-mutant Stage IIIB or Oligometastasis Non-small Cell Lung Cancer

Patients with EGFR-mutant stage IIIB or oligometastasis Non-small Cell Lung Cancer which can be potentially radical treated by surgery are arranged to receive Icotinib with a dose of 125 mg three times per day orally for 8 weeks as neoadjuvant therapy; then they receive surgical resection of the tumor. If there is curative effect of Icotinib according to the RECIST or pathological report, the patients will continue receive Icotinib for two years as adjuvant therapy after surgery or till progressive disease or unaccepted toxicity. The primary objective of this study is evaluate the pulmonary and metastases lesions objective response rate after Icotinib preoperative therapy.