Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is some mild lingular linear atelectasis / scarring . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The cardiac silhouette is top normal to mildly enlarged . The aortic knob is calcified . Degenerative changes are seen along the spine . There may be minimal pulmonary vascular congestion .
    OUTPUT:
    
Lingular atelectasis / scarring . Possible mild pulmonary vascular congestion .