Review
Copyright ©The Author(s) 2015.
World J Clin Pediatr. Nov 8, 2015; 4(4): 94-105
Published online Nov 8, 2015. doi: 10.5409/wjcp.v4.i4.94
Table 1 Intergroup rhabdomyosarcoma study pretreatment staging and clinical grouping classification
StageSitesT1Size2N3M4
1Orbit, head and neck (excluding parameningeal), genitourinary tract (non-bladder, non-prostate), biliary tractT1 or T2a or bN0 or N1 or NxM0
2Bladder.Prostate, extremity, parameningeal, others (trunk, retroperitoneum, etc.)T1 or T2aN0 or NxM0
3Bladder.Prostate, extremity, parameningeal, others (trunk, retroperitoneum, etc.)T1 or T2aN1M0
bN0 or N1 or NxM0
4Any sitesT1 or T2a or bN0 or N1M1
Clinical groupDescription
ILocalized disease, completely resected
IIGrossly resected tumor with evidence of regional spread
IIA: Grossly resected tumor with microscopic residual disease
IIB: Involved regional nodes completely resected with no microscopic residual disease
IIC: Involved regional nodes grossly resected with evidence of microscopic residual disease
IIIIncomplete resection with gross residual disease after biopsy or after gross or major resection of the primary tumor
IVDistant metastatic disease present at diagnosis