A 52-year-old man with weight loss, change in bowel habit and iron deficiency anaemia is seen in primary care. You suspect colorectal cancer. What is the most appropriate next step in accordance with UK guidance?ARefer urgently on a suspected cancer pathway for colonoscopyBArrange faecal occult blood testing and await resultsCTreat empirically for irritable bowel syndrome and reviewDOrder an abdominal ultrasound onlyEArrange coeliac serology first and defer referralCheck my answer