988PBenefit from subsequent conventional cytotoxic chemotherapy (CTx) to immunotherapy (IT) in patients (pts) with gynaecological malignancies (GM). (23rd October 2018) - Ros Montañá, F J; Rodriguez Freixinos, V; Fariñas Madrid, L; Amair Pinedo, F; Ruiz-Pace, F; Garralda, E; Dienstmann, R; Oaknin, A