This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
In poal hypeension lower end of the esophagus may show dilatation of veins. Which of the following veins drains into the poal vein from the lower end of the esophagus 
Select and explain. 
A. Right gastric, B. Left gastric, C. Hemiazygos, D. Inferior phrenic
B: Left gastric
Answer: B: Left gastric 
Explanation: At the lower end of esophagus, the esophageal tributaries of left gastric vein (draining into the poal vein) anstomoses with esophageal tributaries of accessory hemiazygos vein(systemic).Reference: Textbook of anatomy, Abdomen and lower limb, Vishram Singh, 2nd edition, page no.141