Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Three views of the chest . There are interstitial opacities in the right lung , which may represent diffuse multifocal pneumonia or aspiration . Given differences in technique , this appears similar to prior study . No pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are normal .
    OUTPUT:
    
Likely multifocal pneumonia or aspiration in the right lung .