Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Lower lung volumes are seen on the current exam with secondary crowding of the bronchovascular markings . Hazy bibasilar opacities are likely due to atelectasis and potentially scarring particularly on the left as seen on prior . There is no effusion . The cardiac silhouette is enlarged but likely accentuated due to lower lung volumes . No acute osseous abnormality detected . Surgical clips seen in the upper right upper quadrant .
    OUTPUT:
    
No definite acute cardiopulmonary process .