Rare Condition Please help

For the last 20 years, every 12 months I have to have a DNC or I swell in my feet, ankles, legs and stomach. I swell so bad that my legs split open. Then I have my DNC and I'm great. Until 12 months has gone by and it starts all over again. I had my DNC 4 weeks ago and for the first time it didn't work. I have had 2 C-Sections, my cervix is very very small. The scare tissue builds up and blocks me and then I swell. Dr. look at me like I'm nuts when I tell them. I have been ck for Heart Failure , Kidneys , Diabetes, You name it, they have check it. They never listen to me. Now I'm in trouble, my DNC is no longer working and the Doctors won't listen to me. I need my uterus removed. I can't take all this water I'm carrying with me. I can't even walk my legs are so big, ankles , n feet. Looks like Elephant legs n feet. I'm trap in this body and it hurts  I can't live like this...please help me!