<prompt> Most common cause of extracranial solid tumor in children:NeuroblastomaWilmstumorThymomaOsteosarcoma  <response>: Ans. a NeuroblastomaRef: Robbins 9thpg 475-479Neuroblastoma is the:Most common extracranial solid tumor of childhood QMost common abdominal tumor of childhood QMost frequendy diagnosed tumor of infancy 1yr of age Q 