Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Left chest wall single lead pacing device is noted . Mild cardiomegaly is noted . Median sternotomy wires and mediastinal clips are seen . Prior endotracheal and enteric tubes are no longer visualized .
    OUTPUT:
    
Mild cardiomegaly without superimposed acute cardiopulmonary process .