title: Extramedullary plasmacytoma.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001854:Bone Marrow Cells; D001859:Bone Neoplasms; D002648:Child; D006801:Humans; D008875:Middle Aged; D009362:Neoplasm Metastasis; D010954:Plasmacytoma; D012142:Respiratory Tract Neoplasms