1. Department of Oncological Surgery, Medical University of Silesia in Katowice, Katowice, Poland
2. Department of Radiology and Nuclear Medicine, Medical University of Silesia in Katowice, Katowice, Poland
3. Department of Oncology, Medical University of Silesia in Katowice, Katowice, Poland
4. Student of the Medical Faculty at the Medical University of Silesia in Katowice, Katowice, Poland
5. Department of Oncology and Radiotherapy, Medical University of Silesia in Katowice, Katowice, Poland