Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest shows a new right pleural catheter which is overlying the lung parenchyma . In the interim , there has been an interval improvement in the right pneumothorax with significant apical and medial components still visible . Lung volumes remain low , accentuating the pulmonary vasculature and cardiac contour . No left pneumothorax .
    OUTPUT:
    
Interval placement of right chest tube with improvement in right pneumothorax which still contains apical and medial components .