Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well inflated and grossly clear . The cardiomediastinal silhouette is stable . There is no pleural effusion , pneumothorax , or focal consolidation worrisome for pneumonia . Mild prominence of interstitial markings is similar compared to prior studies . There is no overt pulmonary edema . Atherosclerotic calcifications are noted in the aortic arch . No displaced rib fractures are identified .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . No displaced rib fractures .