Literature review revealed that the Luminal A subtype was the most frequent subtype, and HER2 type with Basal-like type was the least; however, our study was not in line with these previous reports.29,30 Recent studies have focused on molecular subtypes of breast carcinomas, and hope to be useful in management and treatment of these lesions.30,31 In previous studies, the Luminal A group correlated with low-grade tumors and had better prognosis compared with others; however, in the present study no significant correlation was obtained between molecular subtype and grade of tumors.30,31. Here, ERBB2 is linked to breast carcinoma.