Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is new very mild interstitial edema , with no change in pulmonary congestion . There is heavy mitral annular valve calcification . There are extensive asbestos related pleural calcifications , similar to prior . Heart size is normal . There is no focal consolidation , pleural effusion , or pneumothorax . A left chest wall biventricular pacer is stable in position , with leads terminating in the right atrium , right ventricle , and coronary sinus .
    OUTPUT:
    
Appropriately positioned biventricular pacer . Unchanged vascular congestion , with new very mild interstitial edema .