Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal and hilar contours are unremarkable . Mild patchy opacity in the right lung base may be due to atelectasis or very mild aspiration . No evidence of pneumothorax or pleural effusion .
    OUTPUT:
    
Mild patchy opacity in the right lung base may be due to atelectasis or aspiration . Consider PA and lateral views if patient is able for better evaluation .