<prompt> A 10 yr old girl presents with a tibial mass.histopayhological examination reveals a small round cell tumor.whivh of the following molecular findings is most likely to be present22q translocation11q deletion7ptranslocationn-myc amplification  <response>: Ewings sarcoma and primitive neuro ectpdermal tumor are primary malignant small round cell tumors of bone and soft tissue. Reference Robbins page no 1232 