title: The negative immunocytochemical result: what does it mean?
mesh_terms: D000951:Antigens, Neoplasm / Q000032:analysis*; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006652:Histological Techniques; D006801:Humans; D007124:Immunoenzyme Techniques; D009369:Neoplasms / Q000473:pathology*
chemical_list: D000951:Antigens, Neoplasm