This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
US Navy NB An operating team at Naval Medical Center San Diego performs thoracotomy to remove cancerous portion of lung. en SAN DIEGO Jan An operating team at Naval Medical Center San Diego performs thoracotomy to remove cancerous portion of lung using the World Health Organization WHO Surgical Check List The check list was created