[A type of monoclonal antibody used in cancer detection or therapy. Monoclonal antibodies are laboratory-produced substances that can locate and bind to cancer cells. ( NCI )] (UMLS (NCI) C0393022) =Amino Acid, Peptide, or Protein; Pharmacologic Substance; Immunologic Factor =[AN000] ANTINEOPLASTICS; Unclassified Ingredients =RITUXIMAB 10 MG/ML;