Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , particularly on the lateral view . There are new bilateral basilar opacities , left greater than right . No pleural effusion or pneumothorax . Heart is normal size . The mediastinal and hilar contours are unremarkable . There is no pulmonary edema .
    OUTPUT:
    
New , bibasilar opacities , left greater than right . This may represent atelectasis in the setting of low lung volumes , however , infection should be considered in the correct clinical setting .