Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Again seen is elevated right hemidiaphragm with linear right basilar opacity , most likely atelectasis . The lungs are otherwise clear without confluent consolidation , effusion or vascular congestion . The cardiomediastinal silhouette is unchanged . Tortuosity of the descending thoracic aorta is again noted . Prominence of the right hilum is as seen on prior exams . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary process .