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: Anatomy
[{'content': 'Most common site of metastases in case of Osteosarcoma DELETE \nSelect and explain. \nA. Brain, B. Lungs, C. Liver, D. Bladder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Almost 10 percnt of have metastases at presentation Metastases is most common to lungs, but Hematogenous spread to other organs is also possible -including lymph nodes, brain, skeleton Refer Apleys 9th/e p 207', 'role': 'assistant'}]