Table 1: COG Ovarian Germ Cell Tumors Staging System.
Stage I |
Limited to ovary (ovaries) peritoneal washings negative, tumor markers
normal after appropriate half-life decline |
Stage II |
Microscopic residual; peritoneal washings negative for malignant
cells, tumor markers positive or negative |
Stage III |
Lymph node involvement; gross residual or biopsy only, contiguous
visceral involvement (omentum, intestine, bladder); peritoneal washing positive
for malignant cells, tumor markers positive or negative |
Stage IV |
Distant metastases, including liver |