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The causes of bile duct cancer are not well understood. For this reason, it is best to follow general advice on steps you can take to lower your risk of getting cancer. You can find more information on our "Can cancer be prevented?" pages.
There is no national screening programme for bile duct cancer. However, some people with an increased risk may be given regular blood tests, or scans of their liver and bile duct. Endoscopic ultrasound is used for this.
If you are concerned about your risk, speak to your GP.