Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal pneumonia . No overt pulmonary edema . Minimal pulmonary vascular congestion . Mild to moderate cardiomegaly . No pleural effusion or pneumothorax . Dual lead pacer with the tips in the right atrium and right ventricle .
    OUTPUT:
    
No pneumonia . No overt pulmonary edema . Minimal pulmonary vascular congestion .