Snapshot A 62-year-old women presents to her primary care physician with a mass in the right breast, which she believes was the result of trauma. On exam there is a firm, fixed 1 cm mass in the right breast in the upper outer quandrant. There is no axillary lyphadenopathy. Introduction Overview login to view 7 more bullets Epidemiology Incidence login to view 2 more bullets Risk factors login to view 3 more bullets ETIOLOGY Genetics login to view 2 more bullets Presentation Symptoms login to view 2 more bullets Physical exam login to view 1 more bullet Imaging Mammography login to view 9 more bullets STUDIES Core needle biopsy login to view 5 more bullets Differential Ductal carcinoma in situ (DCIS) login to view 6 more bullets Treatment Medical login to view 6 more bullets Surgical login to view 7 more bullets Complications Development of invasive carcinoma Prognosis Very good login to view 1 more bullet