Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is unchanged . The mediastinal silhouette is stable . A right - sided hemodialysis catheter terminating at the right atrium and a left - sided generator pack projecting leads into the right atrium and ventricle are unchanged in position and orientation . There is no pneumothorax , focal consolidation , or pleural effusion . Central vascular congestion is again seen with minimal interstitial edema .
    OUTPUT:
    
Central vascular congestion with mild interstitial edema . No focal consolidations detected .