title: Malignant lymphoma of Waldeyer's ring.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003036:Cobalt Isotopes / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008223:Lymphoma / Q000175:diagnosis / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy*; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy*; D011882:Radiotherapy, High-Energy; D014067:Tonsillar Neoplasms / Q000175:diagnosis / Q000401:mortality / Q000473:pathology / Q000532:radiotherapy*
chemical_list: D003036:Cobalt Isotopes