TRUE statement regarding childhood malignancy is –

Childhood malignancies i) Most common tumor in childhood is leukaemias especially acute lymphoblastic leukaemia. ii) Second most common tumor → Brain tumors iii) Third most common tumor → Lymphomas iv) Fourth most common tumor → Neuroblastoma   v) Fifth most common tumors →Wilms tumor Most of these tumors occur below the age of 5 years.