Hoxey Biomed is supposedly one of the less expensive options in the Tijuana area. They have one of the most amazing recovery stories I've come across. TheTruthAboutCancer.com did an interview with D Olsen but I don't think it is online. This is the summary of his case http://www.hoxseybiomedical.com/patient-testimonials/
Hopefully you can work with an integrative oncologist in your area. If you can't find one, maybe one of the health coaches can help you find one. https://www.chrisbeatcancer.com/module1