This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
[{'content': 'All of the following are related to mediastinal surface of left lung except \nSelect and explain. \nA. Descendng Aoa, B. Arch of Aoa, C. Thoracic duct, D. Trachea', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Structures related to mediastinal surface of lungRight lungLeft lungRight atrium and auricleLeft ventricle, left auricle, infundibulum and adjoining pa of the right ventricleA small pa of the right ventriclePulmonary trunkSuperior vena cavaArch of aoaLower pa of the right brachiocephalic veinDescending thoracic aoaAzygos veinLeft subclan aeryOesophagusThoracic ductinferior vena cavaOesophagusTracheaLeft brachiocephalic veinRight vagus nerveLeft vagus nerveRight phrenic nerveLeft phrenic nerveLeft recurrent laryngeal nerveReference: Vishram Singh Anatomy; 2nd edition; Page no: 237', 'role': 'assistant'}]