Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is mildly enlarged . The mediastinal and hilar contours are similar . There is mild pulmonary vascular congestion , improved compared to the previous study . No focal consolidation , pleural effusion or pneumothorax is present . Linear opacities within the right mid lung field may reflect areas of atelectasis or scarring . Clips are demonstrated in the left aspect of the neck . There are moderate degenerative changes seen in the thoracic spine .
    OUTPUT:
    
Mild pulmonary vascular engorgement .