This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thoracic Duct & Esophagus, Subject name: Anatomy
Opening of esophagus into diaphragm is at the level of - 
Select and explain. 
A. T6, B. T10, C. T12, D. T8
B: T10
Answer: B: T10 
Explanation: Ans. is 'b' i.e., T10 OpeningVertebral levelIn which part of diaphragmPassing structureVena CavaiT8Central tendony Inferior vena cavay Right phrenic nerveOseophageaiT10Muscular portion derived from right crusy Oesophagusy Oesophageal br. of left gastric arteryy Gastric or vagus nerveAorticT12Osseoaponeurotic betweenright and lateral crusy Aortay Thoracic ducty Azygous vein