Stage 4 Endometriosis: What You Need to Know
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Endometriosis is when tissue similar to the lining of the uterus (known as "lesions") grows in other areas of the body, leading to complications such as pain and infertility. After endometriosis surgery, your surgeon may stage your endometriosis based on the extent of the lesions. There are four stages of endometriosis; stage 4 is the most severe.