Page last updated at 07:59 GMT, Sunday, 11 October 2009 08:59 UK

'Spider pill' used for scans

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Scientists in Italy think they may have come up with a new way to scan for cancer of the stomach or colon.

The 'spider pill', which is fitted with a camera, is swallowed by the patient and once within the colon or intestine the legs are opened. Duncan Kennedy reports.

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