Stage 4 endometrial neuroendocrine cancer

Hi, diagnosed in January at stage 4 first 3 rounds of chemo went well with first scan “ excellent result “ reported however, finished final 3 rounds and my latest scans have shown it has come back in my womb, abdominal and obviously lymph nodes, absolutely devastated and scared.

has anyone in similar position had folifiri or currently having this chemo as this has been offered to me