**2. Material and methods**

The study's patients were recruited at the Oncological Hospital in Wieliszew, Poland,between September 2016 to December 2017. The study was performed 166 male patients diagnosed with prostate cancer. The study included men who gave informed, written consent to participate. In the study was used two standardized questionnaire: EORTC QLQ-C30 (version 3.0) and QLQ-PR25 for patients with prostate cancer, developed by the European Quality of Life Group. These questionnaires are used to research the summary sense of health and evaluation of performance in various dimensions (physical, emotional and social) and typical symptoms of prostate cancer.
