Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild left basilar atelectasis . Otherwise , no significant interval change . No pleural effusion or pneumothorax . No focal consolidation or edema . Biapical pleural thickening is unchanged . Heart size is normal . Mediastinal contours are unchanged . No acute osseous abnormality .
    OUTPUT:
    
No pneumothorax or focal consolidation . Minimal left basilar atelectasis .