Chronic Epigastric Pain with Endometriosis: Anyone Else?

Anyone else with endo have chronic right sided epigastric pain? Typically after eating? I get extreme pain in the RUQ of my abdomen (under my ribs) any time i eat anything, the pain lasts anywhere from 2-6 hours and then it's time to eat again. I also have POTS and when I have chest pain flares that flares up too. I've seen 2 GI doctors and an rheumatologist for it for 2 years and no one had answers or ideas. I recently started seeing an endometriosis specialist and have surgery upcoming, I mentioned the symptoms and the nurse told me they see that alot. Given that no one has found anything on scans she thinks it's endo related, but we'll know more when they take a look during the procedure. Just curious if this is a problem others have and if it was related to endometriosis?