The Princess of Wales has completed her cancer treatment and will be ‘undertaking a few engagements’ over the rest of the year. Kate Middleton, The Princess of Wales has finished her course of preventive chemotherapy and is ready to focus on doing what she can “to stay cancer free”. Kate began treatment for cancer in February, after undergoing abdominal surgery. Since the announcement of her cancer diagnosis, Kate had stepped away from public duties to take the time to heal. In the last few months, the royal has made a few appearances in the public eye. But now, after a long journey for the Pr…