Pediatrics C.V.S. 4f0d57d3 MC malignancy in children is: A Retinoblastoma B Leukemia C Wilms tumor D Neuroblastoma High-Yield Explanation b. Leukemia(Ref: Nelson 20/e p 2416)Most frequent childhood cancers are: (in order of decreasing frequency)Leukemia (Most common is ALL)Brain TumorsNeuroblastomaWilms tumor