High dose methotrexate is used for the treatment of(REPEAT)
Ref: Harrison's 17th/612 Drugs used for osteosarcoma are: Doxorubicin Ifosfamide Cisplatin High dose methotrexate with leucovorin
Osteosarcoma
Rhabdomyosarcoma
Retinoblastoma
Ewing's sarcoma
Chemotherapy