By Russell Myers The King has been so moved by the nation’s support as he fights cancer he sent a message of thanks last night. In a statement, Charles said it was the “greatest comfort” and he is heartened that sharing his diagnosis has “shone a light” on organisations helping patients. The Queen has also said they have been “touched”. In a personal and candid statement issued by Buckingham Palace, Charles said his illness had led to the growth of his own “lifelong admiration” for organisations like the NHS and charities that help thousands fight the disease. The 75-year-old also said he was …