Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are seen with secondary crowding of the bronchovascular markings . Bibasilar opacities are most likely atelectasis , they are not seen on the lateral view which is somewhat limited by respiratory motion . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No definite acute cardiopulmonary process . Bibasilar opacities most likely atelectasis .