True about hemiazygos vein are all EXCEPT:
High-Yield Explanation
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.