Institution: | 1.Radiotherapy Department, Chair of Oncology, Medical University of Lodz, Poland;2.Teleradiotherapy Department, Regional Centre of Oncology, Copernicus Memorial Hospital, Lodz, Poland;3.Palliative Care Unit, Chair of Oncology, Medical University of Lodz, Poland;4.Medical Physics Department, Regional Centre of Oncology, Copernicus Memorial Hospital, Lodz, Poland |