The problem with cancer symptoms is that many are vague and are more likely to be caused by dozens of other illnesses. Steve Browne had put off seeing his GP after assuming the occasional stomach cramps and blood in his stool were irritable bowel syndrome (IBS). Some years earlier the 59-year-old had been diagnosed with the digestive condition, which can cause symptoms including stomach pain, bloating and changes in bowel habits. However when Steve told his wife, she insisted that he book an