[Metastasizing neck cancer with unknown primary sites--with special reference to its therapeutic guidelines].
D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000556:secondary* / Q000601:surgery; D005260:Female; D006258:Head and Neck Neoplasms / Q000556:secondary* / Q000601:surgery; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D037981:Neck Dissection; D011379:Prognosis