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: Surgery
[{'content': 'Tietz syndrome is \nSelect and explain. \nA. Costochondritis of second rib, B. Costochondritis of 4th rib, C. Superficial thrombophlebitis of breast, D. Fibroadenoma of breast', 'role': 'user'}, {'content': 'Answer: A \nExplanation: It causes breast pain which is non cyclical.', 'role': 'assistant'}]