Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and the diaphragms are flattened , consistent with COPD . There is mild cardiomegaly , with left a ventricular configuration . The aorta is unfolded . Increased opacity projecting over the heart on the frontal view likely represents a hiatal hernia . The hernia itself was better delineated on a film dated ___ . There is atelectasis and / or scarring in the lower lobe posteriorly . Mild eventration of the right hemidiaphragm is noted . No CHF . The mid and upper zones of both lungs remain grossly clear . No definite consolidation . Degenerative changes and ossification of the anterior longitudinal ligament of the spine incidentally noted .
    OUTPUT:
    
1 . Background COPD . 2 . Cardiomegaly , with unfolded aorta . 3 . Moderate - sized hiatal hernia . 4 . Bibasilar atelectasis . No definite consolidation . Subtle infiltrate could be obscured by the hiatal hernia , but no air bronchograms are appreciated . 5 . No CHF .