Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Indistinct pulmonary vascular markings are seen . There are bibasilar left - greater - than - right and left perihilar patchy regions of consolidation . External respiratory device overlies the left upper lung . There is no large effusion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Pulmonary vascular congestion . Bilateral left greater than right patchy regions of consolidation compatible pneumonia in the proper clinical setting .