<prompt> Commonest presentation of Wilms tumour is:HematuriaAbdominal lumpHydronephrosisPain in abdomen  <response>: WILMS TUMOR Wilms Tumor: MC primary renal tumor of childhood 2-5 Years Wilms Tumor: 2nd MC malignant abdominal tumor in children MC is neuroblastoma. Arise from kidney, composed of three elements- Blastema, Epithelium Stroma. BESt MC presenting feature is asymptomatic abdominal mass or swelling. 