How would you approach a sarcoma that was initially diagnosed as UPS of the distal femur with groin lymph node spread, resected, and found to have an EWSR1-FLI1 fusion diagnostic of Ewing's on NGS?
1 Answer
Mednet MemberInvited Expert
Medical Oncology · Dana-Farber Cancer Institute
Answered on
If this is a primary bone tumor with EWSR1-FLI1 fusion, I would treat it as if it were Ewing sarcoma.
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