Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear of focal consolidation , effusion , or pneumothorax . Linear opacity in the left mid lung is compatible with atelectasis versus scar . Cardiomediastinal silhouette is stable and notable for mediastinal clips and coronary artery stents . Surgical clips are identified in the right upper quadrant . Osseous and soft tissue structures are otherwise unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .