Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Cardiomegaly is noted with mild pulmonary edema . No large effusion or pneumothorax is seen . A single lead pacemaker is seen extending into the right ventricle . The mediastinal contour is grossly unremarkable . The bony structures are intact .
    OUTPUT:
    
Cardiomegaly with mild pulmonary edema .