What is the staging of tumor grade (G) in soft-tissue tumors?

Updated: Dec 03, 2018
  • Author: Vinod B Shidham, MD, FRCPath; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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Answer

Tumor grade (G) currently is commonly based on cellular differentiation (scored as 1-3), mitotic rate (scored as 1-3), and extent of necrosis (scored as 0-2). The scores for these variables are combined the following G values:

  • GX - Grade cannot be assessed
  • G1 - Total score of 2 or 3
  • G2 - Total score of 4 or 5
  • G3 - Total score of 6 or higher

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