Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , I doubt significant interval change . Again seen is a right IJ central line tip over distal SVC . No pneumothorax is detected . Again seen is cardiomegaly with sternotomy wires , similar to prior , allowing for differences in positioning . Platelike atelectasis the left upper zone , increased retrocardiac density , possible small left effusion are again seen . Upper zone redistribution with vascular plethora and vascular blurring suggestive of CHF again noted .
    OUTPUT:
    
1 . No pneumothorax detected . 2 . Cardiomegaly and CHF again noted . 3 . Increased retrocardiac density , consistent with left lower lobe collapse and / or consolidation and possible small left effusion is similar to the prior film .