Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Blunting of the left lateral costophrenic angle is unchanged , potentially due to atelectasis . Posterior costophrenic angles are sharp without evidence of effusion . The lungs are otherwise clear without focal consolidation . The right apical pleural - based thickening is again seen . The cardiomediastinal silhouette is within normal limits . Median sternotomy wires and mediastinal clips are identified as well as possible coronary artery stent . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .