This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax And Mediastinum, Subject name: Surgery
[{'content': 'Emergency thoracotomy is indicated following chest trauma in the following conditions except:- \nSelect and explain. \nA. Scapular and sternal fractures, B. Esophageal perforation, C. Penetrating injury with cardiac tamponade, D. Massive Hemothorax', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Indications of Thoracotomy Initial tube thoracostomy drainage of > 1000 ml (penetrating injury) or >1500 ml (blunt injury) Ongoing tube thoracostomy drainage of >200 ml/hr for 3 consecutive hours in non-caogulopathic patients Caked hemothorax despite of placement of two chest tubes Tracheo-bronchial injury Selected descending torn aoa or great vessel injury Pericardial tamponade Cardiac herniation Massive air leak from chest tube with inadequate ventilation Open pneumothorax Esophageal perforation', 'role': 'assistant'}]