Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar opacities are seen concerning for pleural effusions with overlying atelectasis . No evidence of pneumothorax is seen . Cardiac silhouette is enlarged . No overt pulmonary edema is seen . Mediastinum is grossly unremarkable . Spine hardware is partially imaged and not well assessed on this study . No evidence of free air is seen beneath the diaphragms .
    OUTPUT:
    
No evidence of free air . Bibasilar opacities could be due to combination of pleural effusion and atelectasis .