Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . A right thoracostomy tube is present . A right pneumothorax is no longer appreciated . The left subclavian central venous catheter terminates at the mid SVC . The heart size remains normal . The hilar and mediastinal contours remain within normal limits .
    OUTPUT:
    
Previously - seen tiny right pneumothorax has resolved . Unchanged position of a right thoracostomy tube .