<prompt> MC tumors of kidney in children?Wilms tumorNeuroblastomaPCKDAngioliposarcoma  <response>: Ans. a Wilms tumorRef: Nelson 20th ed pg 2466-68Wilms tumor WT, also known as nephroblastoma, is the most common primary malignant renal tumor of childhood; It is the second most common malignant abdominal tumor in childhood. The most common sites of metastases are the lungs, regional lymph nodes, and liver. 