CCCG-ALCL-2020 for Chinese Children and Adolescents With Newly Diagnosed High-risk ALCL

Inclusion Criteria: * Patient must be ≤ 18 years at the time of diagnosis * Newly diagnosed patients with histologically confirmed high-risk anaplastic large cell lymphoma * No congenital immunodeficiency, HIV infection, or prior organ transplant Exclusion Criteria: * Patients have received prior cytotoxic chemotherapy/target therapy/radiation, if any steroid applied, total prior steroids dosage \> Dexamethasone 40 mg/m2 for the current diagnosis or any cancer * Patients have overwhelming infection, and a life expectancy of \< 2 weeks