Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are normal . There is no pleural effusion or pneumothorax . In comparison to the prior examination , there are subtle hazy bibasilar opacities , worse on the right than on the last , which , in the appropriate clinical context , could be suggestive of aspiration .
    OUTPUT:
    
Bibasilar opacities which could be due to the atelectasis given lower lung volumes though may be suggestive of aspiration in the appropriate context .