Carcinoma of the mouth.
D000328:Adult; D001114:Areca; D006801:Humans; D007573:Jaw Neoplasms / Q000000981:diagnostic imaging*; D007972:Leukoplakia, Oral / Q000150:complications; D008048:Lip Neoplasms / Q000209:etiology; D008297:Male; D009062:Mouth Neoplasms / Q000209:etiology* / Q000628:therapy; D009512:New Guinea; D010946:Plants, Medicinal; D011379:Prognosis; D011859:Radiography