Occult primary carcinomata.
D000328:Adult; D000368:Aged; D001344:Autopsy; D001984:Bronchial Neoplasms / Q000175:diagnosis; D002277:Carcinoma / Q000175:diagnosis* / Q000532:radiotherapy; D004938:Esophageal Neoplasms / Q000175:diagnosis; D005260:Female; D006258:Head and Neck Neoplasms / Q000175:diagnosis* / Q000532:radiotherapy; D006801:Humans; D007822:Laryngeal Neoplasms / Q000175:diagnosis; D008207:Lymphatic Metastasis; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis; D011379:Prognosis; D011471:Prostatic Neoplasms / Q000175:diagnosis; D013964:Thyroid Neoplasms / Q000175:diagnosis; D014062:Tongue Neoplasms / Q000175:diagnosis