Tehran University of Medical Sciences Acta Medica Iranica 0044-6025 0 0 1972 12 15 29 36 A. MODJTABAI T. SHARIATMADARI 2015 09 28 In this paper the breast lesions, more particularly the carcinomas. have been studied in the Taj Pahlavi Cancer Institute, Teheran , Iran, from 1956 through 1971. In this period of 15 years the number of breast lesions observed have been 2107 cases of which 1023 cases or 48.5 %have had reference to carcinomas especially among women, the ratio of females to males suffering from this type oflesion being 19:I. The age incidence of carcinomas have been the 4th and 6th decades while the peak frequency has been the 5th decade oflife. Of the various types of carcinomas observed the infil tra ting and intraductal types respectively, have had the highest frequency https://acta.tums.ac.ir/index.php/acta/article/view/4151 https://acta.tums.ac.ir/index.php/acta/article/download/4151/4126