The tumor cells were also found to be non-reactive to the following; epitelialmembrane antigen (EMA), Leucocyte Common Antigen (LCA), anti-alpha Smooth MuscleActin (SMA), S-100, CD34, C-kit and Myo-D1 which confirmed the classification asundifferentiated tumor sites. The gene discussed is MYOD1; the disease is neoplasm.