Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lines and tubes are in appropriate and stable position . The cardiac silhouette is prominent . The mediastinal and hilar contours are within normal limits allowing for low lung volume . There is mild to moderate perihilar vascular congestion . THere is increasingly dense retrocardiac consolidation , in the setting of fever , could represent pneumonia . There are bilateral pleural effusions . Upper lungs are well aerated . There is no pneumothorax . Preiously seen gastric air distention has resolved . Several clips are seen projecting over the left hemithorax laterally .
    OUTPUT:
    
Progressive left lower lobe consolidation and small effusion in the setting of fever is concerning for pneumonia .