Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the recent priors , there is no evidence of pleural effusion or pneumothorax . In the right infrahilar region , there is increased opacity in comparison to the prior examinations , which may represent pneumonia . Cardiomediastinal contours are stable .
    OUTPUT:
    
Increased right infrahilar opacity in comparison to prior examinations suspicious for pneumonia .