Gynecomastia in one nipple after steroid course

Patient: Dear sirs,I was on steroids for about two months testosterone deca dianabolI think I got gyno in my left nipple only, I took 2 boxes of nolvadex, but it did not disappear, i stopped the nolvadex about 2 months ago and thought that it would go away when my hormone levels return to normal, but it did not until now, i don’t know if it is possible to get gyno in one nipple only, or is it something else. what should I do as I want to start a new steroid cycle??