Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right IJ line , with tip at proximal SVC . No pneumothorax is detected . The cardiomediastinal silhouette is prominent , but unchanged . Sternotomy wires again noted . There are low inspiratory volumes . There is upper zone redistribution , without definite CHF . Patchy increased retrocardiac density is consistent with left lower lobe collapse and / or consolidation and atelectasis is also noted at the left base . A small right effusion is likely present .
    OUTPUT:
    
COMPARED TO 1 DAY EARLIER , THE OVERALL APPEARANCE IS SIMILAR .