3Fekete F, Sauvanet A, Kaisserian G, et al. Associated primary esophageal and lung carcinoma: a study of 39 patients. Ann Thoracsurg, 1994, 58 (3):837
4Brog A Sandberg T , Nilsson k, et al. High frequency of multipte melanomas and breast and pancreas carcinomas in CDKN2A mutationpositive melanoma families. J Natl Cancer Inst, 2000,92(15) : 1260
5Morita M, Araki K, Saeki H, et al. Risk factors for muhicentric occurrence of carcinoma in the upper aerodigestive tract - analysis with a serial histologic evaluation of the whole resected - esophagus including carcinoma. J Surg Oncol, 2.003,83(4):216
6Warren S, Gates O. Multiple primary malignant tumors: a survey of theliterature and a statistical study. Am J Cancer, 1932,16(8) : 1358
