Prof. MUDr. Hana Hrstková, CSc., has extensive experience in the field of pediatrics, especially in pediatric oncology. For many years she was the head of the First Children's Internal Medicine Clinic of the University Hospital Brno. She specializes mainly in hematology, hematooncology and oncology. In addition to the treatment of malignant tumours, she also deals with late effects of oncological therapy and teaching at the Faculty of Medicine of Masaryk University. He has been working at the University Hospital Brno for more than 40 years and this year he will celebrate a significant jubilee.