Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal , unchanged . Mediastinal and hilar contours are similar with leftward shift of mediastinal structures again demonstrated . Chronic volume loss is again seen in the left lung with scarring re - demonstrated in both upper lobes and pleural thickening noted over the left apex , unchanged . Traction bronchiectasis is also demonstrated in the left upper lobe with bronchial wall thickening . New hazy opacification is seen within the left lung , findings could which could reflect pulmonary vascular congestion which is asymmetric . Streaky opacity in the right lung base is unchanged . No pneumothorax or pleural effusion is demonstrated . No acute osseous abnormalities demonstrated . Chronic deformity of a left - sided rib is again noted .
    OUTPUT:
    
Hazy opacification in the left lung , new from the prior study , could reflect asymmetric pulmonary edema though infection is not completely excluded . Chronic changes in both upper lobes with biapical scarring , left apical traction bronchiectasis and pleural thickening .