The U.S. team was unbeaten in 10 games, and qualified for the 2008 Olympics.
"Even though I do not like to single guys out, LeBron's performance today was probably one of the best ones in an international game that an American player has had," said Team USA Coach Mike Krzyzewski of Duke. "He had a big-time performance today (but) we are proud of the effort all our guys gave."
Luis Scola scored 23 points on 10-of-21 shooting from the floor for Argentina, which also lost to the U.S. in the second round.
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