<prompt> Most common presentation of wilms tumor -HematuriaAsymptomatic abdominal massAbdominal painHeadache  <response>: Ans. is b i.e., Asymptomatic abdominal massWilms tumor Nephroblastomao Most common malignant tumor of kidney, o 80 of tumor present below 5 year of age.Presentiono Asymptomatic abdominal massM.C..o Haematuria 10-25.o Hypertension 25.o Abdominal pain 30.o Fever 20. 