Background. The mosi common breast carcinomas are ductal (40-70%) and lobular (5-15%) types. They have distinct histopathologycal features, but the challenge for the pathologists are sometimes boih features can appears on the same tumor in confusing pattern. Jn order to help distinguishing this two types carcinomas, there are many researchs for E-cadherin expression and proven as usefitl tools.…