Ⅱ.Neoplasms (C00-D48)C00-C14.Malignant neoplasms of lip, oral cavity and pharynxC00.Malignant neoplasm of lipC00.0.External upper lipC00.1.External lower lipC00.2.External lip, unspecifiedC00.3.Upper lip, inner aspectC00.4.Lower lip, inner aspectC00.5.Lip, unspecified, inner aspectC00.6.Commissure of lipC00.8.Overlapping lesion of lipC00.9.Lip, unspecified C01.Malignant neoplasm of base of tongu..