Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged , unchanged . Mediastinal and hilar contours are similar . Mild pulmonary vascular congestion appears relatively unchanged from prior . No focal consolidation , pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
No substantial interval change from prior with mild pulmonary vascular congestion .