Hello @yazi_hic and welcome to Mayo Connect.

I do not know about financial support for international patients, however, here is some information about services at Mayo for international patients.
https://www.mayoclinic.org/departments-centers/international/appointments. Please click on this link and you will see phone numbers to call to get more information about services for international patients.

@yazi_hic, Do you currently have an appointment scheduled at one of the three Mayo facilities?

@yazi_hic, what country are you originally from? Some countries do sponsor patient via their respective embassies. We have international patient coordinators that can help you understand the process if you are from one of those countries. In some case Mayo does provide charitable care to individuals throughout the US and the world. See the link below;
https://www.mayoclinic.org/about-mayo-clinic/governance/charity-care