Inclusion Criteria:  Having been diagnosed with cancer Receiving radiotherapy from cancer treatments Cancer stage between 1-3 Being between the ages of 18-70 Having a Mini Mental Test Score of 24 and above  Exclusion Criteria:  Not being able to read and/or understand the questionaries Not being willing to participate in the study Having a neurological disease which affects the cognition History of orthopaedic surgery in the last three years Presence of psychiatric diagnosis