All of the following are true about venous drainage of esophagus except:
(A) Thoracic esophagus drains into the azygos vein (B) Esophageal veins drain into a submucosal plexus (C) The cervical esophagus drains directly into the right brachiocephalic vein (D) Lower esophageal veins anastomose with the left gastric vein
(C) Ans: C. The cervical esophagus drains directly into the right brachiocephalic vein(Ref: Gray's 411e p1111, 40Ie p950).Cervical pa of esophagus is drained into inferior thyroid vein, not the right brachiocephalic vein.Venous drainage of esophagus:Cervical pa is drained by inferior thyroid vein.Thoracic pa is drained by azygous and hemiazygous veins.Abdominal pa is drained by two venous channels, hemiazygous vein and left gastric vein.