The last tributary of the azygos vein is:: (A) Right superior intercostal vein, (B) Hemi-azygos vein, (C) Right bronchial vein, (D) Accessory azygos vein
Answer is C. All of the above are the tributaries of Azygos vein. Right bronchial vein opens into the Azygos vein near its termination into SVC. Fig:- Venous drainage