my 13yr old daughter discovered a very large lump (around 6cm in diameter) on her inner thigh a few months ago, she only told me last night. Its solid, painless and doesnt move, I took her straight to the doctor this morning who has arranged an ermergency ultrasound for tomorrow morning, she has asked for the results to be faxed to her immediatley and i have an appointment to get them tomorrow afternoon, Im so scared its sarcoma does anyone know of anything else it could be please, very worried mum.