Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate mildly increased opacity in the right lower lung , as seen on recent chest radiograph . Opacities previously seen in the left lower lung and upper lobe are not as prominent on today 's exam . No pleural effusion or pneumothorax is identified . The cardiomediastinal silhouette remains normal . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
Persistent but improved right base opacity , consistent with resolving pneumonia . Left base and upper lobe opacities are no longer appreciated on today 's exam .