C00 Malignant neoplasm of lip malignant neoplasm

C01 Malignant neoplasm of base of tongue

C02 Malignant neoplasm of other and unspecified parts of tongue

C03 Malignant neoplasm of gum

C04 Malignant neoplasm of floor of mouth

C05 Malignant neoplasm of palate

C06 Malignat neoplasm of other and unspecified parts of mouth

C07 Malignath neoplasm of paraotid gland

C09 Malignant neoplasm of tonsil

C10 Malignant neoplasm of orophaeynx

C11 Malignant neoplasm of naopharynx

C12 Malignant neoplasm of pypopharynx sinus

C13 Malignant neoplasm of hypopharynx

C14 Malignant neoplasm of other and ill-defined sites in the lip, oral cavity and pharynx