Retroperitoneal Burkitt's lymphoma.
D000970:Antineoplastic Agents / Q000008:administration & dosage*; D002051:Burkitt Lymphoma / Q000628:therapy*; D002675:Child, Preschool; D004359:Drug Therapy, Combination; D006801:Humans; D008297:Male; D012186:Retroperitoneal Neoplasms / Q000628:therapy*
D000970:Antineoplastic Agents