Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The hepatic flexure is interposed between the liver and the diaphragm . Heart size is normal . Mediastinal and hilar contours are unchanged . There are low lung volumes . Streaky bibasilar opacities likely reflect atelectasis though aspiration or infection is difficult to exclude . There is mild pulmonary vascular congestion . No pleural effusion or pneumothorax is visualized . Diffuse demineralization of the osseous structures is re - demonstrated with a mild compression deformity noted at the thoracolumbar junction , unchanged .
    OUTPUT:
    
Mild pulmonary vascular congestion and streaky opacities in the lung bases most likely reflective of atelectasis . Please note that aspiration or infection can not be completely excluded .