Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A Dobhoff tube has been positioned , with tip ending in the distal gastric portion . The course of the catheter is normal . Heart size is normal , the profile of the aorta is enlarged with some calcifications at aortic arch . There is no pleural effusion . There are no new lung opacities .
    OUTPUT:
    
Correct positioning of the Dobhoff tube with tip ending in the distal gastric portion . The chest findings are otherwise unchanged