Table II. Paclitaxel-ifosfamide based therapy and further salvage therapy.

^aOne patient received the regimen in combination with methotrexate, epirubicin, mitomycin-C, vincristine, cisplatin, leucovorin and 5-fluorouracil (MEMOCLUB); another received a combination of pembrolizumab and lenvatinib; the third patient received lenvatinib alone. ^bTrial therapy with toripalimab and GHF018.