Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged but unchanged . Mediastinal and hilar contours are stable . There is mild interstitial pulmonary edema , new compared to the prior chest radiograph . No pleural effusion or pneumothorax is seen . Linear opacities at the lung bases likely reflect atelectasis . There is no pneumothorax . Diffuse demineralization of the osseous structures is noted . Compression deformity of a mid / lower thoracic vertebral body is unchanged .
    OUTPUT:
    
Mild interstitial pulmonary edema and bibasilar atelectasis .