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| Version 0 | Version 1 |
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| Bush to undergo medical procedure | Bush to undergo medical procedure |
| (20 minutes later) | |
| US President George W Bush will have a routine colonoscopy on Saturday, temporarily transferring power to the vice-president, the White House says. | US President George W Bush will have a routine colonoscopy on Saturday, temporarily transferring power to the vice-president, the White House says. |
| The procedure - an examination of the large intestine carried out under sedation - is to be carried out at the Camp David presidential retreat. | |
| The US constitution requires a transfer of power to the vice-president in the event the president is incapacitated. | The US constitution requires a transfer of power to the vice-president in the event the president is incapacitated. |
| Mr Bush first had the minor procedure in June 2002. | Mr Bush first had the minor procedure in June 2002. |
| "As reported at the time and in subsequent physical exams, absent any symptoms, the president's doctor recommended repeat surveillance in approximately five years," Mr Bush's spokesman Tony Snow said. | "As reported at the time and in subsequent physical exams, absent any symptoms, the president's doctor recommended repeat surveillance in approximately five years," Mr Bush's spokesman Tony Snow said. |
| "The president has no symptoms," Mr Snow told reporters. | "The president has no symptoms," Mr Snow told reporters. |
| A colonoscopy is considered the best way to examine the colon and to find and remove any polyps. The procedure, performed regularly, is thought to reduce the risk of colon cancer by up to 90%. More than two million are performed annually in the US. | A colonoscopy is considered the best way to examine the colon and to find and remove any polyps. The procedure, performed regularly, is thought to reduce the risk of colon cancer by up to 90%. More than two million are performed annually in the US. |