Nomogram predicting 18-month PFS rate

FIGO stage [0: Stage 1 or 2 / 1: Stage 3A or 3B / 2: Stage 3C / 3: Stage 4]
Residual tumor size [0: Glossly free / 1: less than 1cm / 2: >=1cm]
GSN [0 ~ 100]
VCAN [1 ~ 16]