Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild left base atelectasis / scarring is seen . There is no focal consolidation worrisome for pneumonia . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable . Possible minimal pulmonary vascular congestion .
    OUTPUT:
    
Possible minimal pulmonary vascular congestion . No significant interval change .