Magdalena Wiklik-Dziadek1, Joanna Jaworek-Troć2,3, Artur Jurczyszyn4. 1. Department of Hematology, Jagiellonian University Medical College, Kraków, Poland 2. Department of Anatomy, Jagiellonian University Medical College, Kraków, Poland 3. Department of Radiology, Jagiellonian University Medical College, Krakow, Poland 4. Department of Hematology, Jagiellonian University Medical College, Kraków, Poland. mmjurczy@cyf-kr.edu.pl