Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portab ; e vew of the chest . No prior . There is elevation of left hemidiaphragm . Minimal left basilar linear opacity is suggestive of atelectasis . There is no large confluent consolidation . Cardiomediastinal silhouette is within normal limits for technique . Degenerative changes are noted at the right acromioclavicular joint . Osseous structures are otherwise unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .