Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Dual lead left chest wall pacer is again noted with leads in unchanged position . The heart remains stably enlarged . No edema or pneumonia . No pleural effusion or pneumothorax . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Stable cardiomegaly . No edema or pneumonia .