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Copyright ©The Author(s) 2016.
World J Obstet Gynecol. Feb 10, 2016; 5(1): 110-117
Published online Feb 10, 2016. doi: 10.5317/wjog.v5.i1.110
Table 2 Intergroup Rhabdomyosarcoma Study Group surgical grouping system
Group ILocalized disease, completely resected (clear margins, negative regional nodes)
IAConfined to organ or muscle of origin
IBInfiltration outside organ or muscle of origin
Group IIMicroscopic disease remaining (at margins or in regional nodes)
IIAGrossly resected tumors with microscopic residual tumor
IIBRegional disease, completely resected, with nodes involved and/or tumor extension into an adjacent organ
IICRegional disease, with involved nodes, grossly resected, but with evidence of microscopic residual tumor
Group IIIIncomplete resection or biopsy with gross residual disease remaining
IIIAAfter biopsy
IIIBAfter major surgical resection
Group IVDistant metastases present at onset