RT Book, Section A1 Giuliano, Armando E. A1 Hurvitz, Sara A. A2 Papadakis, Maxine A. A2 McPhee, Stephen J. A2 Rabow, Michael W. SR Print(0) ID 1166167571 T1 Fibrocystic Condition T2 Current Medical Diagnosis and Treatment 2020 YR 2020 FD 2020 PB McGraw-Hill Education PP New York, NY SN 9781260455281 LK accessmedicine.mhmedical.com/content.aspx?aid=1166167571 RD 2022/05/19 AB ESSENTIALS OF DIAGNOSISPainful breast masses; often multiple and bilateral.Rapid fluctuation in mass size is common.Pain often worsens during premenstrual phase of cycle.Most common age is 30–50. Rare in postmenopausal women not receiving hormonal replacement.