Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube , NG tube , left subclavian line are similar to the prior study . The top of an IVC filter is noted . The cardiomediastinal silhouette is grossly unchanged . Again seen is left lower lobe collapse and / or consolidation , probably with a small effusion . This appears slightly worse than on ___ . However , opacity about the left hilum slightly improved . Patchy opacity at the right base is similar to the prior film . A small right effusion is likely present and could be slightly increased . There is upper zone redistribution and vascular blurring , consistent with mild CHF , slightly more pronounced than on the prior film .
    OUTPUT:
    
1 . Mild CHF , slightly worse compared with ___ . 2 . Left lower lobe collapse and / or consolidation and small left effusion , probably slightly worse . The differential includes a pneumonic infiltrate . 3 . Equivocal slight increase in small right pleural effusion . Right base atelectasis is similar to prior .