Tonsil:

Faucial pillar

Glossopalatine fold

Palatoglossal arch

Palatopharyngeal arch

Anterior and medial surface of the pharyngoepiglottic fold

Epiglottis, free border [margin]

Glossoepiglottic fold(s)

Junction of the free margin of the epiglottis, the aryepiglottic fold, and the pharyngoepiglottic fold

Branchial cleft

Malignant neoplasm of contiguous or overlapping sites of oropharynx whose point of origin cannot be determined