Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are again hyperinflated , but clear . The cardiomediastinal silhouette is unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax , or focal consolidation concerning for pneumonia .
    OUTPUT:
    
Hyperinflation , unchanged since the prior study . Otherwise , no acute cardiopulmonary process .