Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are moderately well expanded with bibasilar discoid atelectasis . No additional focal opacity . No right pleural effusion . Blunting of the left costophrenic angle is unchanged since ___ and most consistent with scarring . No pneumothorax . Heart is top normal . Mediastinal contour and hila are unremarkable .
    OUTPUT:
    
1 . Bibasilar discoid atelectasis and chronic left basilar pleural and parenchymal scarring . 2 . No pneumothorax .