Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Sequential images demonstrate placement of a Dobhoff tube , which initially extends into the right mainstem bronchus , is subsequently withdrawn , and is then readvanced , likely still terminating in the proximal right mainstem bronchus . A right PICC is unchanged terminating in the low SVC . There is no focal consolidation , pleural effusion , pulmonary edema , or pneumothorax . A right lower lobe pulmonary nodule corresponds to a granuloma on prior chest CT .
    OUTPUT:
    
Sequential images demonstrating attempted Dobhoff placement , likely still terminating in the proximal right mainstem bronchus .