Cancer of the tongue: a study of the regional lymph node spread.
D006801:Humans; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis / Q000145:classification / Q000401:mortality / Q000473:pathology* / Q000532:radiotherapy / Q000601:surgery; D037981:Neck Dissection; D013997:Time Factors; D014062:Tongue Neoplasms / Q000473:pathology*