Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy , CABG , and mitral valve replacement . A left - sided AICD device is noted with leads terminating in the right atrium , right ventricle , and coronary sinus . Mild enlargement of the cardiac silhouette is redemonstrated , with unchanged tortuosity of the thoracic aorta . There is perihilar haziness with vascular indistinctness and diffuse alveolar opacities compatible with moderate pulmonary edema . No large pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Moderate congestive heart failure .