Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Left mid lung linear atelectasis / scarring is again seen . Prominence of the pulmonary vasculature may be exaggerated by low lung volumes however , a degree of vascular congestion may be present . No large pleural effusion is seen . There is no evidence of pneumothorax . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Prominence of the pulmonary vasculature may be exaggerated by low lung volumes however , a degree of vascular congestion may be present .