<prompt> The following are indications for performing thoractomy after blunt injury of the chest, except1500 ml drainage after placing an intercostal tubeContinuous bleeding through intercostal tube more than 200 mlhour for three or more hoursCardiac tamponadeRib fracture  <response>: Indications for thoracotomy include haemothorax more than 1500 ml after placing intercostal tubeICTor hourly collection of 200-300 ml or ICT placed showing persistent drainage of blood.haemopericardium leading to cardiac tamponade is an another indication.Other indications include diaphragmatic injury,bronchus major vessel injuries,oesophageal thoracic duct injuries. 