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In a 74-year-old woman with persistent cough a 2.9 cm nodule was found on a chest radiograph. Chest CT was performed, with axial images in lung window setting showing an oval nodule in the right lower lobe. The nodule shows a prominent air bronchogram with irregular aspect, making the nodule suspicious for malignancy. Video-assisted thoracoscopic lobectomy was performed and a malignant cause (adenocarcinoma) was confirmed on histopathology
