PMC6626119_01
Posteroanterior radiography.
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A chest x-ray revealed hyperlucency in the upper lobes and ballooning in the left posterior arch of the tenth rib (Fig. 1).
Lateral radiography.
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There was also evidence of thickening of bronchial walls (Fig. 2).
Spirometry report.
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Pre- and post-bronchodilator spirometry informed forced expiratory volume in the first second (VEF1)/forced vital capacity (CVF): 65%, VEF1: 89% of the predicted, CVF: 106% of the predicted, FEF 25-75%: 63 (Fig. 3), carbon monoxide diffusion capacity: reduced, moderate.
Computerized tomography.
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No bullous emphysema are observed (Fig. 4).