Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate to severe cardiomegaly is stable . Widening mediastinum has improved . Bilateral effusions are small . Opacities in the lower lobes bilaterally larger on the left side are likely atelectasis , superimposed infection can not be totally excluded . There is no evident pneumothorax . Sternal wires are aligned . Degenerative changes in the thoracic spine are mild . There is mild vascular congestion . Bilateral healed rib fractures are again noted
    OUTPUT:
    
Small bilateral effusions with adjacent opacities , these are likely atelectasis but superimposed infection can not be totally excluded Mild vascular congestion .