Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left upper lobe and right lower lobe opacities have improved over a short period of time . The other opacities are unchanged . Left lower lobe collapse is stable . Mild - to - moderate bilateral pleural effusions are stable . There is no pneumothorax . ET tube ends 5 .3 cm above carina . Left jugular line is at mid SVC . NG tube is in the stomach .
    OUTPUT:
    
1 . Patient is known with complicated granulomatosis with polyangiitis . Considering the fast improvement of left upper lobe and right lower lobe opacities , this could have been due to hemorrhage or aspiration rather than pneumonia . 2 . Tubes and lines are in adequate position .