<prompt> Childhood malignancy producing proptosis isare :NeuroblastomaRetinoblastomaNephroblastomaAll of these  <response>: Childhood tumors producing proptosis are :a Retinoblastoma.b Rhabdomyosarcoma.c Lymphoma lymphosarcoma.d Secondaries from neuroblastoma, nephroblastoma, Ewings sarcoma, leukaemic infiltration. 