1 1 Department of Breast Cancer and Reconstructive Surgery, The Maria Skłodowska-Curie Memorial Cancer Centre and Institute of Oncology , Warsaw, Poland .
2 2 Department of Gastroenterology, Hepatology, and Clinical Oncology, The Maria Skłodowska-Curie Memorial Cancer Centre and Institute of Oncology , Warsaw, Poland .
3 3 Department of Chemotherapy, Greater Poland Cancer Center , Poznan, Poland .
4 4 2nd Department of Gynecology and Obstetrics, Centre of Postgraduate Medical Education, Bielański Hospital , Warsaw, Poland .