Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study from ___ , there is new platelike atelectasis in the right mid lung field as well as new right perihilar and basilar opacities which are asymmetric and increased . There is no pleural effusion or pneumothorax , and the heart size is stable . Increased caliber of pulmonary arteries implies volume overload .
    OUTPUT:
    
Increasing opacities in the right perihilar and basilar lung concerning for pneumonia .