- Arm I: Patients receive conventional doxorubicin (DOX) IV over 4 hours on days 1-3 and cisplatin (CDDP) IV continuously on day 1. Treatment continues every 3 weeks for 2 courses. At week 6, patients undergo amputation or local resection based on pretherapy imaging and response to chemotherapy. Beginning 2 weeks after surgery, patients receive 4 additional courses of conventional chemotherapy.