<prompt> A 1 year old child presenting with abdominal mass and calcification on X rays is suggestive of :TeratomaNeuroblastomaWilms tumourRhabdomyosarcoma  <response>: Both neuroblastoma and wilms tumor can present with abdominal mass and calcification.But, at 1 year, it is most likely neuroblastoma.The mean age of presentation of wilms tumor is 3 years. 