Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs are provided . Lungs are hyperinflated but there is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . Osseous structures are intact .
    OUTPUT:
    
No acute cardiopulmonary process . Hyperinflation of the lungs possibly due to COPD .