This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': "1 year old Rahul is brought with fever, fatigue, irritability, flushing, eating and bone pain. On examination a mass is palpable in the abdomen. What is he most likely suffering from? \nSelect and explain. \nA. Neuroblastoma, B. Wilm's tumor, C. Lymphoma, D. ALL", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Neuroblastoma is a malignancy arising from neural crest tissue of sympathetic ganglia or adrenal medulla. Flushing and sweating occur due to increased catecholamine secretion. Bone pain is due to metastasis. Reference: Current Diagnosis and Treatment: Paediatrics 20e chapter 29.', 'role': 'assistant'}]