Dear Dr. Clark:
My son, Juan, was treated by you in Mexico several years ago for brain cancer, a glioblastoma multiforme (gbm). Just a short note to let you know that Juan has was completely healed of his brain cancer with no recurrence whatsoever in the last 7 years, thanks to the Awesome Lord and to the therapies that you put him on. God bless you and God bless your good works always.
Mona, Juan's mom.