Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly overall stable compared to the exam from ___ . Note is also made of pulmonary vascular congestion . The lung volumes are low . There is a subtle increase in opacification overlying the lung bases . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild pulmonary vascular congestion and bibasilar opacities , likely atelectasis but infection is not excluded .