Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The patient is status post median sternotomy and CABG . Surgical clips are again seen overlying the right upper hemithorax . The cardiac and mediastinal silhouettes are unremarkable . Disc calcification is seen at at least one level along the spine .
    OUTPUT:
    
No acute cardiopulmonary process .