FERTILITY SPARING TREATMENT IN PATIENTS WITH ENDOMETRIAL CANCER (FERT-ENC) FROM THE SPANISH INVESTIGATIONAL NETWORK GYNECOLOGIC ONCOLOGY GROUP - Lago, V; Martin, M T Marina; Modrego, M Laseca; Ibanez, B Gil; Rodriguez, J R; Domingo, J; Minig, L; Iserte, P Padilla; Sanchez, O Arencibia; Ferichola, M Sala; Munmany, M; Martin, B; et al. (International Journal Of Gynecological Cancer, 2021)