Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . Low lung volumes are seen with secondary crowding of the bronchovascular markings . Streaky bibasilar opacities are most likely due to atelectasis . Lateral view is limited secondary to motion but there is no evidence of effusion . Cardiac silhouette is enlarged and is accentuated by low lung volumes . Atherosclerotic calcifications seen at the aortic arch .
    OUTPUT:
    
Low lung volumes without definite acute cardiopulmonary process .