Growth on top of nipple

Patient: I have a 3 week baby, I breastfeed her, breast feeding is very painful, and nipple have cracks on them, from last night i am using a cream.But another issue is on the top of nipple, some growing area. I know these areas was some how present before deliver, and i was feeling these are changes in body due to pregnancy. But now after 3 week breastfeeding, these areas are grown a lot.this is my first baby and i am 28 year old.

Symptoms: Pain in nipple while breastfeeding
tenderness

Images:
Growth on top of nipple-1

Doctor: