Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable semi upright view of the chest . The left chest wall pacer is seen with intact appearing leads extending to the region the right atrium and right ventricle . The heart appears mildly enlarged . Mild interstitial edema is noted without large effusions . No pneumothorax . Bony structures are intact .
    OUTPUT:
    
Mild cardiomegaly with mild interstitial edema .