Koops, H.S.

chemotherapy patient resection model characteristic cancer histologic findings necrosis mass size tumor finding masse reduction histologic retroperitoneal radiologic testicular score teratoma analysis measurement radiologic characteristics level frequency study probability regression nonseminomatous testicular cancer curve nonseminomatou hospital table ct measurements testicular cancer tumor markers afp norwegian radium hospital retroperitoneal metastases university steyerberg predictor decision center figure ct scans roc curve radiology marker regression model oncol ratio value metastase evaluation prediction combination netherland 641 patients regression models number retroperitoneal resection roc curves square keizer hj square root treatment model 3 model 1 postchemotherapy lymph relationship metastatic nonlinearity mass sizes 20- mm mass cutoff values retroperitoneal mass histology odds ratio square root transformation retroperitoneal lymph nodes receiver