I am 3 weeks post op & right breast had purple bruising, more scabbing & has a larger scab under the right nipple. 2 days ago I noticed there was a drop of blood oozing out. Doctor said to put bacitracin & bandaid once a day but it’s day 2 now & more yellow/brown stuff come with the bandaid after taking it off. Now it seems softer and like it has moist green stuff on it, in a way it looks like the scab is separating or cracking from up close. What could this b