Help!!!!!!!

I have endometriosis in my  abdomen but there is also this mass in my stomache that has been growing since after I had a c-section 5 years ago and when I'm on my cycle it's sooooo painful I'm suppose to be gettin a surgery to remove but my surgeon has to talk to a plastic surgeon because the mass is either  inside my abdominal muscle in the front or back of it and my cat scan it's hard to tell so she has to take all precautions. I am terrified does anyone have any suggestions to what I should do or is going through the same thing or something similar and can give me advice I'm in pain everyday and it's bad to a point where I can't even where jeans anymore😢