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': "A 62-year-old male patient expresses concern that his voice has changed over the preceding months. Imaging reveals a growth located within the aortic arch, adjacent to the left pulmonary artery. Which neural structure is most likely being compressed to cause the changes in the patient's voice? \nSelect and explain. \nA. Left phrenic nerve, B. Esophageal plexus, C. Left recurrent laryngeal nerve, D. Left vagus nerve", 'role': 'user'}, {'content': 'Answer: C \nExplanation: The left recurrent laryngeal nerve passes beneath the ligamentum arteriosum and then loops superiorly toward the tracheoesophageal groove, medial to the arch of the aorta.', 'role': 'assistant'}]