Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are slightly decreased . There is no focal consolidation , nodule , or mass . Cardiomediastinal silhouette is unremarkable . There is no pneumothorax or pleural effusion . Visualized osseous structures are unremarkable . A pacer is seen overlying the left anterior chest with intact leads in appropriate position . Sternotomy wires are noted .
    OUTPUT:
    
No acute cardiopulmonary process .