Susanna Reid revealed that she was persuaded to get a checkup after hearing a royal cancer announcement. Buckingham Palace announced that King Charles was diagnosed with a form of cancer in February, whilst in March, it was revealed that the Princess of Wales had been diagnosed with cancer and was undergoing treatment. A month before the King announced his own prognosis, Sarah Ferguson was diagnosed with malignant melanoma, the most serious form of skin cancer, only six months after she was treated for breast cancer. Speaking on Good Morning Britain, the Duchess opened up about her battle with…