Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Very subtle opacity at the right lung base may be artifactual but a very mild / very early consolidation is not excluded . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Very subtle opacity at the right lung base may be artifactual but a very mild / very early consolidation is not excluded .