Bush 41 Undergoes Routine Tests

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ROCHESTER, Minn. -- Former President George Bush has left Mayo Clinic after undergoing routine tests.

No details of the tests were released.

Bush, who's 83 and lives in Houston, underwent successful replacement surgery on his right hip in January.

He had his left hip replaced at Mayo in 2000. Former first lady Barbara Bush also had a successful hip replacement there in 1997.