Oesophageal cancer. Endoscope view of an adenocarcinoma, a cancerous tumour, (right) in the oesophagus. This type of cancer arises from glandular tiss

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Oesophageal cancer. Endoscope view of an adenocarcinoma, a cancerous tumour, (right) in the oesophagus. This type of cancer arises from glandular tissue in an organ's epithelium (lining). Symptoms often include difficulty swallowing and weight loss. Treatment is with surgery, chemotherapy and sometimes radiation therapy.

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Photo credit: © GASTROLAB/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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