A female patient was admitted in the department of medicine for complaint of difficulty in breathing. Patient was advised for chest x-ray and diagnosis of pleural effusion was made. A chest tube was placed in the left side of chest. After few days patient complaint of passage of food particles in the chest tube. On detailed enquiry she gave history of trauma two years back due to Road Traffic Accident and at that time she was treated conservatively. Review of x-ray of chest and a Computed Tomography of chest and abdomen, and on the basis of history of trauma a diagnosis of traumatic diaphragmatic hernia was made. Herniated stomach was placed in its normal position and torn diaphragm was repaired by open surgery