Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since 1 day prior , left upper lung and right lower lung consolidations have increased in density . Innumerable nodular opacities consistent with known metastasis appear relatively unchanged . Lateral left pleural thickening is unchanged . Moderate to large bilateral pleural effusions are probably unchanged . Heart size and cardiomediastinal silhouettes are inadequately evaluated on this study .
    OUTPUT:
    
Multifocal pneumonia superimposed on extensive metastatic disease .