Isa Soares speaks with Dr. Curtiland Deville who is a radiation oncologist, and the Medical Director at the Johns Hopkins Proton Therapy Center, after Buckingham Palace announces King Charles III has been diagnosed with cancer.Isa Soares speaks with Dr. Curtiland Deville who is a radiation oncologist, and the Medical Director at the Johns Hopkins Proton Therapy Center, after Buckingham Palace announces King Charles III has been diagnosed with cancer.