The diaphragmatic hernia is a well recognized and common complication of both the penetrating and blunt thoracoabdominal trauma.The clinical presentation is eather in the acute phase, or later, when it features the symptoms of obstructive complications. The aim of the study is to report a case of delayed presentation of a blast wound with diaphragmatic hernia, complicated by herniation and perforation of the left colonic angle in the pleural cavity. The report highlights the multiple complications following the initial event and the staged management of the case.