This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All are true about thoracic duct except- 
Select and explain. 
A. Begins as continuation of cisterna chyli, B. Passes through the esophageal opening, C. Ends into junction between left subclavian and internal jugular vein, D. Largest lymphatic vessel
B: Passes through the esophageal opening
Answer: B: Passes through the esophageal opening 
Explanation: Thoracic duct pierces the diaphragm and passes to posterior mediastinum through aortic opening.