title: [Cancer with unknown primary foci--with special reference to patients under radiotherapy].
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000532:radiotherapy; D005260:Female; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy; D016403:Lymphoma, Large B-Cell, Diffuse / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D009062:Mouth Neoplasms / Q000532:radiotherapy; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy; D009362:Neoplasm Metastasis; D009369:Neoplasms / Q000175:diagnosis / Q000532:radiotherapy*; D011877:Radionuclide Imaging