input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 76-year-old man with chronic obstructive pulmonary disease (COPD) presents complaining of 3 weeks of cough and progressive dyspnea on exertion in the setting of a 20 pound weight loss. He is a 60 pack-year smoker, worked as a shipbuilder 30 years ago, and recently traveled to Ohio to visit family. Chest radiograph shows increased bronchovascular markings, reticular parenchymal opacities, and multiple pleural plaques. Labs are unremarkable except for a slight anemia. Which of the following is the most likely finding on this patient's chest CT?   (A) Nodular mass spreading along pleural surfaces   (B) Honeycombing   (C) Air bronchogram   (D) Lower lobe cavitary mass
output: ['(D) Lower lobe cavitary mass <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Nodular mass spreading along pleural surfaces  (B) Honeycombing  (C) Air bronchogram  (D) Lower lobe cavitary mass <> possible answers', "  A 76-year-old man with chronic obstructive pulmonary disease (COPD) presents complaining of 3 weeks of cough and progressive dyspnea on exertion in the setting of a 20 pound weight loss. He is a 60 pack-year smoker, worked as a shipbuilder 30 years ago, and recently traveled to Ohio to visit family. Chest radiograph shows increased bronchovascular markings, reticular parenchymal opacities, and multiple pleural plaques. Labs are unremarkable except for a slight anemia. Which of the following is the most likely finding on this patient's chest CT? <> context"]