Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hyperinflated . In the right infrahilar region , there is heterogeneous airspace opacity which may represent developing infection or sequela of aspiration . The cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Heterogeneous right infrahilar opacity may represent developing pneumonia or aspiration . Correlate with clinical signs and symptoms .