| Superior phrenic vein | |
| Latin: | vena phrenica superior |
| Drainsfrom: | Thoracic diaphragm |
| Drainsto: | Azygos vein hemiazygos vein |
| Artery: | Superior phrenic artery |
The superior phrenic vein, i.e., the vein accompanying the pericardiacophrenic artery, usually opens into the azygos vein.