Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is increased of a moderate pleural effusion which tracks higher laterally , concerning for a loculated collection . Patch opacifications of the right lung and mid to upper left lung remain grossly stable and are consistent with known pneumonia . The cardiomediastinal silhouette is unchanged . Left pigtail chest tube is unchanged in positioning .
    OUTPUT:
    
1 . Increasing moderate pleural effusion , concerning for a loculated collection . 2 . Stable multifocal opacifications consistent with known pneumonia .