title: Lymph node dissection yields better survival in malignant melanoma of the head/neck.
mesh_terms: D006258:Head and Neck Neoplasms / Q000401:mortality* / Q000601:surgery; D006801:Humans; D008197:Lymph Node Excision; D008545:Melanoma / Q000401:mortality* / Q000601:surgery; D015996:Survival Rate