Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate a clear lungs with no focal consolidation convincing for pneumonia . Heart size is top - normal . No evidence of overt pulmonary edema . There is no large pleural effusion . Bibasilar atelectasis is present . Hilar and mediastinal contours are stable in appearance relative to prior study dated ___ . No acute osseous abnormality is detected .
    OUTPUT:
    
Stable appearance of the chest relative to prior study dated ___ .