Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall single lead pacer device is seen . Left ventricular assist device is also noted . The lungs are clear without effusion , pneumothorax or vascular congestion . The cardiomediastinal silhouette is stable . Median sternotomy wires are again noted . Previously visualized left - sided vascular sheath and right PICC are no longer visualized
    OUTPUT:
    
No acute cardiopulmonary process .