Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No focal consolidation is identified . There is linear density adjacent to the left heart border as well as at the right lung base , likely scarring . The cardiac silhouette is unchanged . There is mild pulmonary vascular congestion . There is no pleural effusion or pneumothorax . Old right upper rib deformity is again noted .
    OUTPUT:
    
No focal consolidation . Chronic scarring bilaterally . Mild pulmonary vascular congestion .