Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Brachytherapy clip is again noted in the left lower lung . Emphysema is noted with basilar linear opacities likely representing atelectasis and scarring . There is no evidence of pneumonia , edema , effusion or pneumothorax . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
Emphysema with basilar atelectasis / scarring . No signs of pneumonia or edema .