Which among the following is the last tributary of the azygos vein?
Azygos vein receives venous drainage from the right bronchial vein near its termination. Tributaries of the azygos vein include: The right superior intercostal vein (a single vessel formed by the second, third, and fouh intercostal veins)Fifth to eleventh right posterior intercostal veinsThe hemiazygos veinThe accessory hemiazygos veinEsophageal veinsMediastinal veinsPericardial veinsRight bronchial veinsRef: Gray's Basic Anatomy By Richard Drake, A. Wayne Vogl, Adam W. M. Mitchell, 2012, Page 127.
Right-superior intercostal vein
Hemi-azygos vein
Right bronchial vein
Accessory azygos vein