Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No acute focal consolidation . Marked hyperinflation of the lungs in keeping with history of COPD . The cardiomediastinal silhouette is unremarkable . Large Bochdalek hernia on the right is stable . No pleural effusions or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .