I HAVE HAD BREAST AND NIPPLE PAIN FOR SEVERAL MONTHS. NEGATIVE MAMMOGRAM LAST WEEK, SWIM 3 MILES A WEEK. 67 YO. TAKE BENICAR, NEXIUM, AND A DIURETIC. AORTIC BICUSPID VALVE REPLACED 3 YEARS AGE SUCCESSFULLY, NO SYMPTOMS. PAIN IN IS LEFT BREAST ONLY, NIPPLE VERY PAINFUL TO TOUCH. SUGGESTIONS?