Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate overall improvement of parenchymal opacities with the exception of the left apex which appears slightly more opacified . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Overall improved parenchymal opacities compared to ___ with the exception of a small worsening area in left apex .