Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Streaky left basilar opacity suggestive of atelectasis versus scar . The lungs are otherwise clear . Hiatal hernia is again noted . Cardiac silhouette is within normal limits . No acute osseous abnormality detected noting degenerative changes in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .