Like King Charles III and Catherine, Princess of Wales, Sarah Ferguson is also under the weather as she seeks treatment for skin cancer less than one year after completing a mastectomy. The former Duchess of York put on a smile and flashed a wave to well-wishers and reporters as she left her dermatologist’s office on Wednesday, January 24. She stopped for a moment and told those waiting outside: “I am fine, thank you.” The ex-wife of Prince Andrew has reportedly, and perhaps understandably, been thinking about her own mortality and the fragility of life itself in the wake of her health problem…