title: Non-Hodgkin's lymphoma: involvement of Waldeyer's ring.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000628:therapy; D008221:Lymphoid Tissue / Q000473:pathology*; D008223:Lymphoma / Q000473:pathology*; D016403:Lymphoma, Large B-Cell, Diffuse / Q000473:pathology* / Q000532:radiotherapy; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology* / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D009367:Neoplasm Staging; D009378:Neoplasms, Multiple Primary / Q000628:therapy; D009960:Oropharynx / Q000473:pathology*; D011882:Radiotherapy, High-Energy; D012008:Recurrence; D012075:Remission, Spontaneous; D014062:Tongue Neoplasms / Q000473:pathology* / Q000532:radiotherapy; D014067:Tonsillar Neoplasms / Q000473:pathology* / Q000532:radiotherapy