1. Department of Clinical Oncology, Maria Sklodowska‑Curie National Research Institute of Oncology, Krakow Branch, 31‑115 Krakow, Poland
2. Breast Cancer Unit, Maria Skłodowska‑Curie National Research Institute of Oncology, Gliwice Branch, 44‑102 Gliwice, Poland
3. Department of Breast Cancer and Reconstructive Surgery, Maria Sklodowska‑Curie National Research Institute of Oncology in Warsaw, 02‑781 Warsaw, Poland
4. Department of Oncology, Jagiellonian University Medical College, 31‑008 Krakow, Poland
5. Department of Oncology, University Hospital, 30‑688 Krakow, Poland
6. Department of Anatomy, Jagiellonian University Medical College, 31‑008 Krakow, Poland
7. Department of Radiotherapy, Maria Sklodowska‑Curie National Research Institute of Oncology, Krakow Branch, 31‑115 Krakow, Poland