Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Diffuse bilateral pulmonary opacities , most confluent at the lung bases , but also seen in the upper lobes could relate to edema and ARDS , however , multifocal infectious process is not excluded . Underlying aspiration could also be present . There is bibasilar atelectasis . No evidence of pneumothorax is seen . There also likely small to moderate bilateral pleural effusions . The cardiac silhouette is top - normal . The aortic knob is calcified . Old right - sided rib deformities / prior fractures are seen .
    OUTPUT:
    
Low lung volumes . Diffuse bilateral pulmonary opacities concerning for pulmonary edema / possibly ARDS , however , multi - focal infectious process is not excluded in the appropriate clinical setting . Bilateral pleural effusions . Consider repeat radiograph after diuresis for further evaluation .