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Data are from the intention‐to‐treat population.
Cox univariate analysis for progression‐free survival.
Others include metacarpus and distal tibia and fibula.
MAP/I, including high‐dose methotrexate, doxorubicin, cisplatin, and ifosfamide. We defined those four agents as first‐line chemotherapy.
Other diseases, including hypertension or diabetes but without tumors.
Abbreviation: ECOG, Eastern Cooperative Oncology Group.
