This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardio thoracic surgery  , Subject name: Surgery
The following are the indications for performing thoracotomy after blunt injury of the chest, except: 
Select and explain. 
A. 100 ml drainage after placing an intercoastal tube, B. Continous bleeding through intercostal tube of more than 200 ml/hour for three or more hours, C. Cardiac tamponade, D. Rib Fracture
D: Rib Fracture
Answer: D: Rib Fracture 
Explanation: Indications of thoracotomy: Initial tube thoracostomy drainage of >1000ml (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 Tracheobronchial 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 Ref: Sabiston 20th edition PGno: 427, 429