Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs were obtained . Cardiomegaly is moderate . Minmal interstitial edema is present . There is a small right effusion . There is no consolidation , pneumothorax . Peribronchial Biventricular pacing leads are in expected position . Post CABG changes are noted .
    OUTPUT:
    
Cardiomegaly and minimal interstitial edema .