I was diagnosed with stage 0 DCIS 4mm x 6mm found on mammogram in July. Had a lumpectomy which showed no cancer as it was likely all removed with the biopsy. Did 5 radiation treatments and am now on Aromasin. Have taken 9 doses and generally feel pretty rough. Fatigue, poor sleep, just not 'right'. I am age 61 and wondering if the Aromasin is really worth it. Any thoughts? Do side effects improve? I have sent a message to my provider via portal.