Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left chest cardiac device with associated dual leads projecting over the right atrium and ventricle in grossly appropriate location . There is no evidence of lead fracture or other hardware related complication . The cardiomediastinal silhouettes are stable , reflective of a tortuous thoracic aorta . There is stable mild to moderate cardiomegaly . A hiatus hernia is unchanged . There is no focal consolidation , pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
Stable mild to moderate cardiomegaly . No pulmonary vascular congestion or edema .