What are the symptoms and causes?
The causes of the disease are not exactly known but there are several risk factors that can make someone more likely to get the disease.
The NHS and Cancer Research UK list some of these as smoking, obesity, diabetes, past radiotherapy treatment, chronic pancreatitis, stomach ulcers, Helicobacter or hepatitis B infection, and genetic factors.
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Common symptoms include abdominal and back pain, unexplained weight loss and jaundice.
Other symptoms can include:
- loss of appetite
- changes to bowel habits such as diarrhoea or constipation
- indigestion
- nausea and vomiting
- difficulty swallowing
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