between 1952 and 1986 the mortality from malignant tumours of the head and neck in the german federal republic shows a varying picture : a decline of cancer of the lip , equivocal rates for cancer of the nose and ear , increases for cancer of the tongue and of the larynx , a marked increase for cancer of the floor of the mouth and of the hypopharynx , a lesser increase for cancer of the tonsillar area and other parts of the mouth , but almost no increase for cancer of the salivary glands .
C0153349
cancer of
C0226896
mouth