Weird sensation

sarahe_butcher

Hi! Quick background, Stage 1A IDC, triple positive, grade 3. Tx: lumpectomy, chemo, radiation, 1 year of herceptin and now on tamoxifen. Just recently I've started experiencing a weird feeling in my cancer breast akin to the sensation of milk letting down. Starts up by the arm pit and moves to the nipple. My youngest is 9 and I stopped nursing her at 3 months because my supply stopped. No noticeable discharge or changes. No lumps, bumps, or other oddities. Has anyone experienced anything like this?