December Case of the Month

Clinical History: A 2.3 cm left lower lobe nodule was detected in a 45-year-old woman who underwent a screening chest x-ray due to a history of smoking. Subsequent chest computed tomography (CT) showed a nodule with irregular margins and small peripheral foci of air at the inferior margin, possibly reflecting eccentric cavitation or underlying air bronchograms. Foci concerning for mucoid impaction were noted. A CT-guided fine needle aspiration and biopsy were subsequently performed.

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