Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . The lungs are hyperinflated with diffusely increased interstitial markings suggestive of chronic underlying lung disease . The cardiac silhouette is slightly enlarged . The aorta is tortuous with atherosclerotic calcification of the arch . There is apparent increased lucency projecting over the cardiomediastinal silhouette on the frontal without definite correlative findings on the lateral . This could represent . This could be artifactual in nature however may also represent a portion of the right lung projecting anterior to the cardiac silhouette , just behind the sternum on the lateral view . In either case it is of doubtful clinical significance . Wedge deformity seen of likely the L1 vertebral body , age indeterminate .
    OUTPUT:
    
1 . Findings suggestive of underlying emphysema without definite superimposed consolidation . 2 . Area of lucency projecting over the cardiac silhouette . This may be artifactual or potentially due to portion of the right lung projecting over the heart , in either case of doubtful clinical significance . If desired , a repeat films with obliques may help further characterize . 3 . Age indeterminate likely L1 compression deformity