Article continues below advertisementQueen Camilla was worried that King Charles revealing his cancer battle to the world would take an enormous "toll" on his health.Charles, 77, announced he was suffering from a form of the disease in February 2024, with Camilla, 78, urging him at first to keep the illness a secret.Article continues below advertisementSource: MEGAQueen Camilla had her reservations about King Charles making his battle public.