title: Letter: Midline granuloma.
mesh_terms: D006103:Granuloma, Lethal Midline / Q000145:classification / Q000532:radiotherapy*; D014890:Granulomatosis with Polyangiitis / Q000145:classification / Q000532:radiotherapy; D006801:Humans; D008206:Lymphatic Diseases / Q000532:radiotherapy; D008223:Lymphoma / Q000532:radiotherapy; D009669:Nose Neoplasms / Q000145:classification / Q000532:radiotherapy*