Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted on the frontal view with secondary crowding of the bronchovascular markings . There may be superimposed component of vascular congestion . There is no large confluent consolidation or effusion . Cardiac silhouette is enlarged but stable given differences in different in technique . Atherosclerotic calcifications noted at the aortic arch . Compression deformity of a lower thoracic vertebral body is similar compared to prior .
    OUTPUT:
    
Low lung volumes with probable superimposed vascular congestion .