title: Carcinoembryonic antigen in pleural effusions.
mesh_terms: D002272:Carcinoembryonic Antigen / Q000302:isolation & purification*; D006801:Humans; D008223:Lymphoma / Q000276:immunology; D009101:Multiple Myeloma / Q000276:immunology; D010996:Pleural Effusion / Q000276:immunology*
chemical_list: D002272:Carcinoembryonic Antigen