Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral chest radiographs provided . Interval removal of left IJ central venous catheter . Mild elevation of left hemidiaphragm again noted . Lungs are clear . Heart size remains mildly enlarged . No signs of edema or congestion . No large effusion or pneumothorax . Mediastinal contour is unchanged with aortic knob calcifications . Bony structures are intact . A chronic compression deformity at the thoracolumbar junction is unchanged from ___ .
    OUTPUT:
    
No new acute intrathoracic abnormality .