Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chronic changes at the right lung apex are grossly stable surgical bronchiectasis with artifactual disc portion , scarring , and calcifications with superior retraction of the right hila . Evidence of calcified mediastinal and hilar lymph nodes again seen . Scarring / chronic change of the left mid lung is again seen , more compact . Some underlying pulmonary edema may again be present , decreased in extent as compared to the prior study . . No large pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Numerous chronic changes . Underlying mild pulmonary edema although improved since the prior study .