| Visualization above the diaphragm evaluates for right-sided hemothorax. |
| Visualization above the diaphragm evaluates for left-sided hemothorax. |
| Compressive atelectasis develops with any space-occupying lesion such as pneumothorax, hemothorax, pleural effusion, or abdominal distention. |
| Massive hemothorax associated with intrathoracic extramedullary hematopoiesis involving the pleura. |
| Bleeding may be concealed, as in the case of hemothorax. |
| Complications of these aneurysms include thrombosis with embolization, rupture, and erosion into the cardiac chamber with resulting fistula and hemothorax. |
