Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Heart size and cardiomediastinal contours are stable . Residual bilateral , left greater than right , basilar atelectasis is unchanged . No new focal consolidation , pleural effusion , or pneumothorax . NG tube passes below the diaphragm and terminates beyond the limits of the film .
    OUTPUT:
    
Mild residual bibasilar atelectasis .