The lips, tongue, mouth and jaws.
D006801:Humans; D007573:Jaw Neoplasms; D008046:Lip; D008048:Lip Neoplasms; D009062:Mouth Neoplasms; D014062:Tongue Neoplasms
JAWS/neoplasms; LIPS/neoplasms; MOUTH/neoplasms; TONGUE/neoplasms