title: [Cancer ith unknown primary foci: observation at the surgical department].
mesh_terms: D000230:Adenocarcinoma; D000328:Adult; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D005260:Female; D006258:Head and Neck Neoplasms; D006801:Humans; D008207:Lymphatic Metastasis; D008297:Male; D008441:Maxillary Neoplasms; D008875:Middle Aged; D009062:Mouth Neoplasms; D010610:Pharyngeal Neoplasms