Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar atelectasis has slightly worsened . There is no definite evidence for pleural effusion . The cardiomediastinal silhouette is unremarkable . There is no pneumothorax . A rounded opacity adjacent to the right hemi diaphragm corresponds to a seemingly loculated pleural effusion on CT dated ___ .
    OUTPUT:
    
Rounded right peridiaphragmatic opacity likely corresponds to a loculated pleural effusion on recent CT .