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 structures pierce through Clavipectoral fascia except ? \nSelect and explain. \nA. Lateral pectoral nerve, B. Thoraco-acromial aery, C. Cephalic vein, D. Medial pectoral nerve', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Structures piercing through the Clavipectoral fascia are: Lateral pectoral nerve Thoracoacromial aery Lymphatics Cephalic vein Reference: Chaurasia; 6th edition.', 'role': 'assistant'}]