Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . The lungs remain clear without focal consolidation , effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Median sternotomy wires , mediastinal clips and dual - lead pacing device is again noted . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .