O012: Clinical utility of a simple risk assessment model for cancer-associated thrombosis to identify breast cancer patients at high risk of symptomatic central venous catheter-related thrombosis. Issue 175 (March 2019) - Frere, C.; Espie, M.; Gligorov, J.; Elias, A.; Dupre, P.F.; Villiers, S.; Giacchetti, S.; Debourdeau, P.; Farge, D.