Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . There has been interval advancement of the endotracheal tube which now enters the right mainstem bronchus . The right IJ central venous catheter and orogastric tubes appear unchanged . There is increasing opacification in the left chest with interval collapse of the left upper lobe . Shift of midline structures to the left is noted . Hyperinflated right lung appears grossly clear . Aortic knob calcifications are noted . Bony structures appear grossly intact .
    OUTPUT:
    
1 . Interval advancement of endotracheal tube with its tip now residing in the right mainstem bronchus . 2 . Interval collapse of the left upper lobe with complete opacification of the left hemi thorax . 3 . Right IJ central venous catheter and orogastric tubes are unchanged in position .