| category |
definition |
survival |
| minimal | negative groin nodes and lesion diameter less than or equal to 2 cm | 98% |
| low | one positive groin node and lesion diameter less than or equal to 2 cm or negative groin nodes and fewer than two lesions less than or equal to 8 cm diameter | 85% |
| intermediate | negative groin nodes and lesion diameter greater than 8 cm diameter, one positive groin node and lesion diameter greater than 2 cm, or two unilaterally positive groin nodes and lesion diameter less than or equal to 8 cm | 74% |
| high | three or more positive groin nodes or two bilaterally positive groin nodes | 31% |
Am J Obstet Gynecol. 1991 Apr;164(4):997-1003