question: Q:A 65-year-old male presented to his primary care physician with exertional dyspnea. The patient had a 30-year history of smoking one pack of cigarettes per day. Physical examination reveals a barrel-chested appearance, and it is noted that the patient breathes through pursed lips. Spirometry shows decreased FEV1, FVC, and FEV1/FVC. This patient’s upper lobes are most likely to demonstrate which of the following?? 
  {'A': 'Panacinar emphysema', 'B': 'Centriacinar emphysema', 'C': 'Calcified nodule', 'D': 'Hypersensitivity pneumonitis', 'E': 'Uncalcified nodule'},