Clinical Study
Long-Term Outcomes of Sacrococcygeal Germ Cell Tumors in Infancy and Childhood
Table 1
Pediatric Oncology Group/Children Cancer Group (POG/CCG) staging for malignant extragonadal germ cell tumors.
| Stage | Characteristics |
| I: | Complete resection at any site; coccygectomy for sacrococcygeal site; negative tumor margins; tumor markers positive or negative |
| II: | Microscopic residual; lymph nodes negative; tumor markers positive or negative |
| III: | Gross residual or tumor biopsy only; retroperitoneal nodes negative or positive; tumor markers positive or negative |
| IV: | Distant metastasis, including liver |
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