Carola Arndt MD is Professor of Pediatrics and Adolescent Medicine at Mayo Clinic in Rochester MN USA. She is a member the Children’s Oncology Group Soft Tissue Sarcoma Committee, and has thirty years’ experience treating children and adolescents with sarcoma and other malignancies, and has collaborated internationally with pediatric oncologists in Europe. She received her pediatric hematology/oncology training at the Pediatric Oncology Branch of the National Cancer Institute.