Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild linear in configuration , left lower lung opacity most likely represents atelectasis . No definite focal consolidation is seen . No large pleural effusion or pneumothorax . The cardiac silhouette is top normal . Mediastinal and hilar contours are unremarkable . On the lateral view , a vertebral body at the thoracolumbar junction appears slightly irregular with likely inferior loss of height not well evaluated on this study . There are no priors for comparison .
    OUTPUT:
    
1 . Possible left base atelectasis . 2 . Apparent irregularity of the mid-to - lower portion of a vertebral body at the thoracolumbar junction , not well evaluated on this study , but injury of indeterminate age not excluded . These findings were discussed with Dr . ___ ___ at 5 :50 p .m . on ___ via telephone . Thoracolumbar spine radiographs will be obtained for further evaluation .