1) The document discusses the normal anatomy of the breast including ducts, lobules, and changes that occur during puberty, pregnancy, and menopause. 2) It also covers developmental abnormalities, inflammatory conditions, benign and malignant tumors of the breast including fibroadenomas, cystosarcoma phyllodes, ductal carcinoma in situ, invasive ductal carcinoma and Paget's disease of the nipple. 3) The pathology of the male breast is also summarized, mainly being gynecomastia which is a benign increase in breast tissue, and carcinoma which is rare but can occur.