Spectrum of Breast Diseases: Histopathological and Immunohistochemical Study from North India.

Introduction: Breast disorders commonly present as masses, which are mostly benign. However, breast cancer is the most common form of cancer and second leading cause of death among women. The study aimed at analyzing the spectrum of breast diseases especially breast cancers and assess the estrogen and progesterone receptor (ER/PR) and Her2/neu status of breast cancers on immunohistochemistry (IHC).