One small correction:
The ECFMG cannot sponsor visas for international medical graduates; only the residency program itself can sponsor a visa. This puts IMGs at a disadvantage during the residency application process since many programs will not do so.
See: https://www.ecfmg.org/evsp/j1fact.pdf
BTW, @shelx4, if you do persist and apply to US medical schools, you are required to disclose your entire college career, including coursework taken in your home country. Those grades, plus any grades earned at any US college must be reported, You are required to provide transcripts from every educational institution you have attended since high school graduation, even if you did not earn any credits at all of those schools. Failure to do so has very severe consequences.
<a href="https://aamc-orange.global.ssl.fastly.net/production/media/filer_public/33/f0/33f0bd3f-9721-43cb-82a2-99332bbda78e/2018_amcas_applicant_guide_web-tags.pdf">https://aamc-orange.global.ssl.fastly.net/production/media/filer_public/33/f0/33f0bd3f-9721-43cb-82a2-99332bbda78e/2018_amcas_applicant_guide_web-tags.pdf</a>