Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top normal . The mediastinal and hilar contours are widened but stable since ___ . Right internal jugular line tip is at the thoracic inlet . There is mild pulmonary vascular congestion , stable compared to most recent prior . Right base atelectasis is stable .
    OUTPUT:
    
Borderline cardiac decompensation , stable since ___