This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Childhood malignancies, Subject name: Pediatrics
[{'content': 'A 4-year-old child having palpable abdominal mass and hypeension with sweating and diarrhea is due to: \nSelect and explain. \nA. Neuroblastoma, B. Nephroblastoma, C. PCKD (Polycystic kidney disease), D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Neuroblastoma produce catecholamines- cause increased sweating and hypeension, and release vasoactive intestinal peptide, causing a profound secretory diarrhea. Nephroblastoma- abdominal mass, fever, hypeension, hematuria PCKD- enlarged kidneys, hypeension, renal failure', 'role': 'assistant'}]