This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardio thoracic surgery  , Subject name: Anatomy
[{'content': "In Pancoast tumor the following is seen except \nSelect and explain. \nA. Pain in shoulder and arm, B. Homer's syndrome, C. Rib erosion, D. Hemoptysis", 'role': 'user'}, {'content': "Answer: D \nExplanation: Haemoptysis is seen in central tumors or endobronchial growth (Pancoast tumor is a peripheral tumor) Pancoast's tumor (also k/a superior sulcus tumor) Is a tumor of the apex of the lung It may grow to cause shoulder and arm pain - d/t involvement of C8, T1 & T2 nerves Erosion of ribs Homer's syndrome (Enopthalmos, Ptosis, Miosis & Ipsilateral loss of sweating) Ref : Harrison 17/e p554 (16/e p508)", 'role': 'assistant'}]