1 Department of Surgical Oncology, Centre of Oncology, Maria Skłodowska-Curie Memorial Institute, Krakow, Poland; Department of Anatomy, Jagiellonian University Medical College, Krakow, Poland.
2 Clinic of Oncology, Department of Breast and Chest Cancer, Centre of Oncology, Maria Skłodowska-Curie Memorial Institute, Krakow, Poland.
3 Department of Tumour Pathology, Centre of Oncology, Maria Skłodowska-Curie Memorial Institute, Krakow, Poland.
4 Department of Systemic and Generalized Malignancies, Centre of Oncology, Maria Skłodowska-Curie Memorial Institute, Krakow, Poland.