Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ at 16 48 , the degree of vascular plethora / CHF findings have improved , with only mild residual CHF . Again seen is left lower lobe collapse and / or consolidation . A small left effusion would be difficult to exclude . Aside from right base atelectasis and residual vascular plethora , the right lung is grossly clear . Right IJ pacing lead again noted .
    OUTPUT:
    
1 . Left lower lobe collapse and / or consolidation , essentially unchanged . 2 . Interval improvement CHF findings . Mild residual vascular plethora present .