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: Radiology
[{'content': "Stryker's view is used in shoulder joint to visualise: \nSelect and explain. \nA. Muscle calcification, B. Recurrent subluxation, C. Subacromial calcification, D. Bicipital groove", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Recurrent subluxation', 'role': 'assistant'}]