breast problem

hi, my 8 year old daughter notice a small size lump under her right breast. its no bigger then a pea, it only hurts when you press on it! is there anything that i should be worried about as im goin out of my mind with worry!!

[Cleveland Clinic]

Dear leah30:  Eight year olds do not get breast cancer.  Lumps can be many things but the general rule of thumb is that any new lump that grows or does not go away should be evaluated by a physician.  You should call her pediatrician for evaluation.