title: Letter: Gammopathy and carcinoma.
mesh_terms: D001796:Blood Protein Disorders / Q000276:immunology*; D002277:Carcinoma / Q000276:immunology*; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis*; D008175:Lung Neoplasms / Q000276:immunology*; D008297:Male; D008875:Middle Aged; D005719:gamma-Globulins
chemical_list: D007070:Immunoglobulin A; D005719:gamma-Globulins