Objective To evaluate the results of supplementing postoperative radiotherapy and chemotherapy for early lung cancer.Methods Retrospective study was done on 534 early(T 1~3 N 0 ) lung cancers:squamous cell carcinoma 318 (postoperative prophylactic radiotherapy(S+R) 155, surgery only (S) 163); adenocarcinoma 125 (postoperative chemotherapy 57,surgery only 68);squamous adenocarcinoma and large cell carcinoma 43 and 15 (a few were plus postoperative radiotherapy); small cell lung cancer 33 (all give...