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: Surgery
[{'content': "Which is not true about thoracic outlet syndrome ? \nSelect and explain. \nA. Radial Nerve is commonly affected, B. Neurological features are most common, C. Resection of Pt rib relieves symptom, D. Positive Adson's test", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' ie Radial Nerve is commonly affected Not the Radial nerve, but Ulnar nerve is most commonly affected in thoracic outlet syndrome.", 'role': 'assistant'}]