True about hemiazygos vein are all EXCEPT:
Hemiazygos vein is formed by the confluence of the left ascending lumbar and left subcostal vein. It pierces left crus of diaphragm. Some pa of abdominal pa of abdominal esophagus drain into hemiazygous vein. At T8 level drain into azygous vein.
Formed by right lumbar azygos and right ascending lumbar veins
Pierces left crus of diaphragm
Drains esophageal vein
At T8 level drains into azygos vein
Thorax- wall and Bronchopulmonary segment