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: Pathology
[{'content': "Synovial sarcomas spread by? \nSelect and explain. \nA. Hematogenous route, B. Lymphatic route, C. Drop metastasis, D. It doesn't metastatise, it is locally invasive tumor", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Usually sarcomas spread by hematogenous route. But synovial sarcoma and alveolar rhabdomyosarcoma are exceptions, they spread by Lymphatic route.', 'role': 'assistant'}]