Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates a prominent cardiac silhouette , likely accentuated by AP technique . The mediastinal and hilar contours are within normal limits . There is new increased left greater than right bibasilar opacities , which could reflect developing pneumonia in the appropriate clinical setting , alternatively aspiration could have a similar appearance . There may be trace left effusion . There is no pneumothorax . Pulmonary vascular congestion is mild .
    OUTPUT:
    
New left greater than right bibasilar opacities could reflect infection versus aspiration . Findings paged to Dr . ___ at pager #___ at 17 :30 on ___ .