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Childhood Rhabdomyosarcoma Treatment (PDQ®)
Patient VersionHealth Professional VersionEn españolLast Modified: 11/25/2009
Table 4. COG-STS Rhabdomyosarcoma Risk Group Classification

Risk Group   Histology  Stage  Group 
Low risk Embryonal 1 I, II, III
Embryonal 2, 3 I, II
Intermediate risk Embryonal 2, 3 III
Alveolar 1, 2, 3 I, II, III
High risk Embryonal or Alveolar 4 IV


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