"Question ID","Question","Discussion","Answer","Year" "20000272","Grade, Differentiation: Are anaplastic tumors always coded to grade 4, even for anaplastic brain primaries?","","Yes. Always code the Grade, Differentiation field to for 4 [Grade IV] for ""anaplastic"" tumors. Anaplastic is synonymous with undifferentiated. Refer to the example in the SEER Program Code Manual, 3rd Ed.","2000"