Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post CABG with intact sternotomy wires . The orientation of the left chest wall pacer is inverted compared to the prior exam , but leads are in stable position . Minimal cardiomegaly is similar to prior . The cardiomediastinal contours are otherwise unremarkable . Lungs are clear without focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
1 . Inverted orientation of left chest wall pacer compared to the prior exam , but stable position of pacer leads . 2 . No acute cardiopulmonary process .