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': 'Most common presentation of neuroblastoma is – \nSelect and explain. \nA. Lytic lesion in skull with suture diasthesis, B. Lung metastasis, C. Renal invasion, D. Secondaries in brain', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Most frequent site of metastasis from neuroblastoma is bone : where metastasis occurs very early.\nLytic lesions in skull and sutural diastasis are manifestations of bony metastasis to skull, and hence the earliest feature, amongst the options in the questions.', 'role': 'assistant'}]