title: Rare case of double light chain disease.
mesh_terms: D006801:Humans; D007147:Immunoglobulin Light Chains / Q000032:analysis*; D007145:Immunoglobulin kappa-Chains / Q000032:analysis*; D007146:Immunoglobulin lambda-Chains / Q000032:analysis*; D008297:Male; D008875:Middle Aged; D010265:Paraproteinemias / Q000276:immunology*
chemical_list: D007147:Immunoglobulin Light Chains; D007145:Immunoglobulin kappa-Chains; D007146:Immunoglobulin lambda-Chains