Lung Hernia (Sibson Hernia) on physical exam due to a traumatic chest injury. Sibson Hernia is a protrusion of lung outside of thoracic wall. In 20% patients with lung hernia, the cause is congenital. In 80% of the cases, the hernia is noted after chest trauma, thoracic surgery or certain pulmonary diseases. #Lung #Hernia #Sibson #clinical #video #thoracic #trauma #physicalexam #respiratory #breathing