By Danielle Kate Wroe The Princess of Wales announced this evening that she has been diagnosed with cancer following abdominal surgery in January. Kate, 42, was admitted to hospital on January 16 for “major abdominal surgery”, which was successful. At the time of her operation, it was thought that her condition was non-cancerous, as no tests had confirmed the presence of cancer. However, post-operative tests confirmed that cancer had been present. “For everyone facing this disease, in whatever form, please do not lose faith or hope. You are not alone”, she told viewers, sharing that she had un…