1Matini N, Melamed MR. Multiple primary lung cancers[J]. J Thorac Cardiovasc Surg, 1975, 70(4): 606-612.
2Duchateau CS, Stokkel MP. Second primary tumors involving non-small cell lung cancer : prevalence and its influence on survival [J]. Chest, 2005,127(4) : 1152-1158.
