The aim of this observational study was to analyse sexual function in young women after breast cancer surgery. The main question it aims to answer is Sexual function in young women after breast cancer surgery changes during the one-year follow-up period. Participants will answer demographic information, Female Sexual Function Scale, Breast-Q and Body Perception Scale about their sexual function, quality of life and body perception. These will be recorded before surgery and repeated 6 weeks, 6 months and 1 year after surgery.