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Lymphedema is the build-up of a protein-rich fluid in your arms or legs due to a disturbance in your lymphatic system.??

Worldwide, its most common cause is an internal parasite transmitted by mosquitoes. Very rarely, it can be due to a birth defect. But in the United States, lymphedema is usually the result of surgery, radiation therapy and certain types of chemotherapy or immunotherapy used to treat breast cancer.&nbsp...