I hope you will be feeling better very soon! I am very impressed that with everything you are dealing with, you are finishing school.. KUDOS to you! I think that is a great topic for your dissertation. If you need someone to interview who's been there, let me know I'd be happy to share how low self esteem affected me in adolescence.
I hope you are able to get your anxiety under control, it certainly makes everything else you are trying to deal with way worse... I'm in that boat with you.