Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral radiographs of the chest demonstrate a left chest wall pacemaker generator with appropriately positioned atrial and ventricular leads . There is mild cardiomegaly , unchanged since the prior study . Nno discrete consolidation is seen . No pleural effusions or pneumothoraces are identified . The hilar and mediastinal contours are within normal limits .
    OUTPUT:
    
Mild cardiomegaly , stable . No focal consolidation or pleural effusions .