There are multiple definitions:

1. extent of resection(English)

   • may refer to accuracy of the neurosurgeons estimation of extent of resection in glioblastoma
   • GBM, GTR, 5-ALA, FLAIR, KPS, MGMT, MSP, OS, PFS, RANO, STR, TMZ
   • Surgery, Oncology, Neuropathy
   • https://doi.org…701-019-04089-8
   • https://doi.org…14.9.FOCUS14502

2. external oblique release(English)

   • BMI, CCS, CS, CST, OVHR, PRSR, QOL, TAR
   • Surgery
   • https://doi.org…0464-016-5382-z