Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . When compared to prior there has been resolution of the previously identified left lower lobe pneumonia . The lungs are hyperinflated but now clear . Cardiomediastinal silhouette is within normal limits . No acute osseous abnormality detected .
    OUTPUT:
    
No acute cardiopulmonary process .