A 40‐year‐old woman of Karen ethnicity presented with 5 days of generalised abdominal pain. The pain was worsening and associated with vomiting in the 12 hours preceding presentation. She had been constipated for 5 weeks. There was no diarrhoea, no blood or mucous in the stool and no haematemesis. There were no sick family, friends or colleagues and no recent travel. She had an omnivorous diet, which had not changed recently, and worked casually at a vegetable farm.
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