Help with Moms medical expenses

My mom has been battling stage 4 breast cancer for over 2 years now and has undergone multiple rounds of chemo, radiation, and surgeries but even after everything her battle is still ongoing and she only has one option left to try, Immunotherapy. Unfortunately its an expensive treatment that we cannot afford on top of the cost of living, And as if All of this wasn't bad enough to endure, The medications and treatments have taken a toll on her dental health tremendously and as a result she has lost most of her teeth and now requires extensive work that is more expensive than we can manage but its also super important that it gets taken care of asap as the pain is becoming too much and the constant Abcesses and infections are making her constantly sick and very difficult to keep fighting. We are asking for any help you can spare right now and understand that times are tough for everyone and we truly appreciate every penny from the bottom of our hearts!