By Kieren Williams Queen Camilla has been spotted visiting King Charles for the third day following his prostate surgery. Earlier this month, the monarch revealed he had suffered an enlarged prostate, and would undergo a corrective procedure. The shocking news came on the same day that Kensington Palace said that Kate, the Princess of Wales, had undergone successful abdominal surgery. Charles remains at the London Clinic, and todaymarks the third day Camilla has visited to check in on him. She arrived by black Audi today and seemed in good spirits after she previously seemingly told well-wishe…