Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . There has been interval improvement in the appearance of the pulmonary edema seen on prior . There is residual bibasilar interstitial opacity which may be chronic in nature given its appearance on ___ . Additional right apical opacity persists since most recent and could represent resolving edema although infection is not excluded . Cardiomediastinal silhouette is stable . Left chest wall dual lead pacing device is again seen . Vascular stent projects over the right subclavian region .
    OUTPUT:
    
Improvement in the appearance of the pulmonary edema when compared to prior . Persistent bibasilar opacities are likely chronic . Some residual right apical opacity could represent continued resolving edema although superimposed infection is also possible .