In reply to Eliyas.

My daughter is 7 years old with a rare genetic disease called 2 MBG her body does not break down proteins and it builds up Amino acids. I have her blood checked every couple years to make sure that she is not becoming ill due to it which can cause muscle defect death mental retardation massive pain; I just noticed a rather large lump by her groin on her right leg that is very painful for her can anybody please help me in the right direction could this be caused from her genetic disease? Could this be caused from over playing this summer?