11 yr old daughter feels a long painless unmovable lump in her right breast. what could this be?

Breast Lump: In an 11 year old this is likely the begging of a breast bud, however, if this seems unusual to you it is always important to get it checked by her Pediatrician of Family Doctor. It is a good time now for the doctor to talk to her about mdevelopement and if not already started get her started on Gardasil, the first vaccine to prevent cancer.