Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and grossly clear . There is no pneumothorax , pleural effusion , overt pulmonary edema , or focal consolidation concerning for pneumonia . A Bochdalek 's hernias again noted on the left . The cardiomediastinal silhouette is stable . Calcifications are again seen within the aortic arch and descending thoracic aorta .
    OUTPUT:
    
No acute cardiopulmonary process .