Myofascial Pain Syndrome in Patients With Breast Cancer-related Lymphedema

The goal of this observational study is to determine the relationship between Lymphedema and Myofascial Pain Syndrome in Breast Cancer Patients. The main questions it aims to answer: * Is there a relationship between the stage of lymphedema and the frequency of accompanying myofascial pain syndrome in the breast cancer patients? * Does the existence of lymphedema in breast cancer patients affect the distribution and the pain threshold values of trigger points seen in Myofascial Pain Syndrome? * What is the impact of Myofascial pain syndrome seen in breast cancer associted lymhedema patients on upper extremity function and quality of life?