endometriosis and cancer are two separated diseases, there is evidence that suffering from endometriosis increases the risk of developing cancer later in life, in particular ovarian cancer. The relation between the two is not fully understood, but there is one hypothesis. So a earlier treatment is required. If you are in stage 3 endometriosis, your condition is curable and our fuyan pill can help you effect. because our pills is not a Preｓｃｒｉｐｔion drugs,it is a Outpatient medicine with patent formula,the formula will be different even if patients with same disease. to live up a better treatment effect, the formula will be Prescribe to patients depends on their symptoms and disease conditions, so would you please tell me more informations about your disease so that i can check for you and give my best diagnose supporting ? You can send your information to herbalistlee@yahoo.com . Please don't worry,i will help you. Regards