Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , moderate to large right - sided predominantly basilar and lateral pneumothorax is increased in size , and is associated with a basilar hydro pneumothorax component . A small left pleural effusion and adjacent left basilar opacification are slightly improved . The right pig - tailed pleural catheter is changed in position and appears to have moved superior and medially . Positioning of right internal jugular central line is unchanged . The heart size is normal .
    OUTPUT:
    
1 . Moderate right - sided pneumothorax is increased in size , with a small basilar hydro pneumothorax component . 2 . Right pigtailed pleural catheter has changed in position , as detailed above . .