Queen Camilla shared that King Charles is "doing his best" post-hospital treatment for an enlarged prostate. The update came as she attended the official launch of Maggie's Cancer Support Centre at London's Royal Free Hospital. After spending three nights there, the London Clinic private hospital discharged King Charles.

The Princess of Wales has also left the London Clinic two weeks after surgery. Queen Camilla had been asked about the health of the King during a tour of the new £6 million Maggie's Centre, to which she replied, "He's getting on, doing his best."

In the event, Sir Gerald Ronson and Sir Michael Pakenham delivered well wishes for the King to recover from the hospital. Camilla accepted the kind wishes by presiding over Maggie's presidency since 2008.

King Charles, 75, smiled and waved to cameras as he left the hospital with Camilla, and Buckingham Palace said that his public engagements were to be postponed for private recuperation.

The King's benign prostate problem corrective procedure to enlighten on the importance of getting a prostate check in older men. According to the NHS, about one-third of all men over 50 years old might have symptoms of an enlarged prostate.

Earlier that day, the Prince of Wales, Catherine, 42, left the London Clinic after a 13-night stay following her undisclosed surgery to the abdomen. Kensington Palace said she would continue with her recovery at home, expected to be Adelaide Cottage, a four-bedroom house near Windsor Castle.