1. Department of Clinical Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland;
2. Department of Hematology and Transplantology, Medical University of Gdańsk, Gdańsk, Poland;
3. Department of Cardiac and Vascular Surgery, Medical University of Gdańsk, Gdańsk, Poland;
4. Department of Patomorphology, Medical University of Gdańsk, Gdańsk, Poland