system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Wilms tumor - most common presenting symptom-
assistant
The correct answer is  Ans. is 'b' i.e., Asymptomatic abdominal massWilm's tumor (Nephroblastoma)Most common malignant tumor of kidney, 80% of tumor present below 5 year of age.PresentationAsymptomatic abdominal mass (M. C.).Haematuria (10-25%).Hypertension (25%).Abdominal pain (30%).Fever (20%).