Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal , upright portable radiograph of the chest was obtained . Mild enlargement of the cardiac silhouette is not significantly changed from the prior study . There is increased convexity of the right mediastinal border which is more prominent than on prior study , but is similar in appearance to chest radiograph dated ___ at which time it was evaluated with chest CT , which demonstrated a prominent SVC accounting for the widened mediastinum . No pleural effusion , focal consolidation or pneumothorax is present . There is mild pulmonary vascular congestion with no evidence of pulmonary edema .
    OUTPUT:
    
Mild pulmonary vascular congestion with no pulmonary edema . Stable mild cardiomegaly .