Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest was obtained with patient in sitting semi-upright position . Image field is directed to lower chest and upper abdomen identifies the newly inserted Dobbhoff line . The line reaches well below the diaphragm and is slightly curled up within the area of the fundus of the stomach . On the next preceding similar chest examination obtained 12 hours earlier during the same day , a conventional NG tube was present pointing towards the pylorus of the stomach . Apparently , these lines have been exchanged . Previously described extensive bilateral pulmonary parenchymal densities persist .
    OUTPUT:
    
Dobbhoff line reaches fundus of stomach .