Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change since the prior study . The cardiac and mediastinal silhouettes are stable . Hilar contours are grossly stable . There may be mild pulmonary vascular congestion . Left mid lung linear atelectasis / scarring is seen . No definite focal consolidation is seen . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
Possible mild pulmonary vascular congestion , similar to prior .