A chest X-ray revealing proper placement of chest tubes with a moderate amount of retained hemothorax on the right and a large retained hemothorax on the left. A chest X-ray revealing proper placement of chest tubes with a moderate amount of retained hemothorax on the right and a large retained hemothorax on the left. O A Ogun et al. Trauma Surg Acute Care Open 2016;1:e000026 Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/