This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Anatomy
[{'content': 'Pleural Calcification is found in All of the following except \nSelect and explain. \nA. Asbestosis, B. Hemothorax, C. Tuberculosis pleural effusion, D. Coal workers pneumoconiosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The escape of blood into the pleural cavity is known as hydrothorax. It is almost invariably a fatal complications of ruptured aoic aneurysm or vascular trauma or it may occur postoperatively', 'role': 'assistant'}]