A royal commentator has claimed that the King “is responding well” to his cancer treatment after the monarch was diagnosed with the illness earlier this year. Speaking to Patrick Christys on GB News, Editor-at-large for the Mail on Sunday, Charlotte Griffiths said: “I am hearing that he’s actually responding genuinely, really well to cancer treatment. “And everyone in the royal household is feeling positive and upbeat about how he’s responding.” The 75-year-old paused all public-facing duties after announcing his illness which was discovered after having corrective surgery for an enlarged pros…