The incidence of breast cancer is slowly increasing and is known to occur in older age group especially peri-menopausal and post-menopausal. The importance of early diagnosis cannot be underscored as management and survival is markedly improved with early stage of breast cancer. In the present book, laboratory diagnostic procedures like FNAC, Core needle biopsy, Histopathological examinations of breast lesions, histology and cytology of various breast lesions have been included. Details given in this book are very useful for undergraduate, postgraduate students and faculties of Pathology and Surgery.