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. 2022 May 17;304(3):672–679. doi: 10.1148/radiol.213054

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Inspiratory axial noncontrast CT scans obtained at (A) baseline and (B) 5-year follow-up in a 73-year-old woman. There was no change in emphysema grade according to the deep learning automated method. Both baseline and 5-year follow-up scans show mild emphysema. Forced expiratory volume in 1 second did not change at follow-up. — Inspiratory axial noncontrast CT scans obtained at (A) baseline and (B) 5-year follow-up in a 73-year-old woman. There was no change in emphysema grade according to the deep learning automated method. Both baseline and 5-year follow-up scans show mild emphysema. Forced expiratory volume in 1 second did not change at follow-up.