(A) Right mediolateral oblique unadulterated mammogram shows an 8-mm ill-defined mass (arrowhead), which, after biopsy, was determined to be a histologic grade 2 ductal carcinoma of no special type.

A simple cyst classically appears as a mass that has well-defined borders ... Chicago, Ill. Sabel MS, Staren ED. Innovations in Breast Imaging: How Ultrasound Can Enhance the Early Detection ...