CANTON, Miss. (WLBT) – A 6-year-old Canton boy was surprised with a trip to Walt Disney World after fighting cancer. Kaison Harris walked into a room to the sound of a crowd clapping and chanting “Surprise!” and signs that read “Your Wish is granted.” Make-A-Wish Mississippi granted the wish for Harris, who was diagnosed with acute myeloblastic leukemia in 2023. “We have been waiting for, like, almost three years,” said Issey Johnson, Kaison’s m…