Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: 5 frontal view chest radiographs show subsequent steps in Dobhoff tube placement . Early images show Dobhoff tube entering the right mainstem bronchus and terminating at lateral right lung base , which is removed in the subsequent image . Final image shows the tube coursing below the diaphragm and out of view . No pneumothorax is identified . Right PICC terminates at mid SVC . Endotracheal tube terminates 59 mm above the carina . Right lung base opacity is similar as before . Left lung base opacity appears to have increased .
    OUTPUT:
    
1 . Early images show Dobhoff tube entering the right mainstem bronchus and terminating at the lateral right lung base . Final image shows the tube coursing below into the stomach and out of view . 2 . Bibasilar opacities suspicious for pneumonia is increased in the left lung base and stable in the right .