Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . Compared to prior , there has been interval improvement in appearance of bilateral interstitial edema . The lungs are clear of consolidation or effusion . Cardiomediastinal silhouette is within normal limits . Osseous structures are unremarkable . Previously identified free air below the right hemidiaphragm has resolved . There is no visualized free air on the current exam .
    OUTPUT:
    
No acute cardiopulmonary process . No free air below the diaphragm .