Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded with stable vascular congestion . Improved right lower lobe heterogeneous opacity is most consistent with atelectasis and asymmetric edema . Interval increase in retrocardiac opacity persistent small left pleural effusion . No right pleural effusion . No pneumothorax . Mild cardiomegaly is stable . Mediastinal contour and hila are unremarkable . Mild prominence of the right hilus is stable dating back to CT chest dated ___ .
    OUTPUT:
    
1 . Stable mild pulmonary vascular congestion . 2 . Rapidly Improved right lower lobe opacity is most consistent with asymmetric edema and / or atelectasis . 3 . Increased left retrocardiac opacity is likely due to atelectasis . 4 . Persistent small left pleural effusion