What are the American Joint Committee on Cancer (AJCC) G categories of postradiation sarcoma (PRS)?

Updated: Jul 01, 2020
  • Author: Nagarjun Rao, MD, FRCPath; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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Answer

G categories in the AJCC TNMG staging system are as follows:

  • G1 - Well differentiated
  • G2 - Moderately well differentiated
  • G3 - Poorly differentiated
  • G4 – Undifferentiated

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