question: I have a round firm lump behind my aerola slightly to the right of the aerola.  It is quite movable.  I'm very worried!  I did have a cyst at the 12 o'clock position which showed up on an ultrasound last year.  This cyst was 2.4cm now this lump is at 9 o'clock and I can't feel the cyst (I was never able to feel the cyst).  Can cysts shift positions as they become harder and bigger?