Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiograph shows improvement and almost complete resolution of right lung opacity . Small residual persists only in the right upper lobe . Left lung is completely clear . Cardiomediastinal silhouette is normal . There is no pleural effusion or pneumothorax . Median sternotomy and metal wires are intact in patient with history of cardiac surgery . Mild osteopenia .
    OUTPUT:
    
Almost complete resolution of right pneumonia , with small residual opacity in the right upper lobe