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SEER Inquiry System - Report
Produced: 11/06/2026 7:51 PM
Question 20000272
Inquiry Details
References:
#1: SEER Program Code Man, 3rd Ed, 101,104
#2: 2004 SEER Manual, 91
Question:
Grade, Differentiation: Are anaplastic tumors always coded to grade 4, even for anaplastic brain primaries?
Discussion:
Answer:
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.
Cancer Site Category:
N/A
Data Item Category:
N/A
Other Category:
N/A
Year:
2000
