Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest compared to previous exam from ___ . Right IJ and left - sided central lines are no longer seen . The lungs are not significantly changed . There is persistent elevation of left hemidiaphragm and stable in configuration of the cardiomediastinal silhouette .
    OUTPUT:
    
Interval removal of bilateral central lines , otherwise no change .