Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Dual - lead right chest wall pacing device is again seen . There is persistent , unchanged elevation of the right hemidiaphragm . The lungs are essentially clear noting linear opacity at the base on the lateral view , likely the right , suggestive of atelectasis . There is no effusion or pulmonary vascular congestion . The cardiomediastinal silhouette is unchanged . Multiple broken median sternotomy wires are again seen . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .