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Bill Feig, Associated Press
LSU forward LaSondra Barrett (55) battles for control of a rebound with Penn State center Nikki Greene (54) as Penn State forward Mia Nickson (24) and LSU forward Krystal Forthan (12) watch during the first half of a second-round NCAA women's tournament college basketball game, Tuesday, March 20, 2012, in Baton Rouge, La.

BATON ROUGE, La. — Maggie Lucas scored 30 points and fourth-seeded Penn State moved on to the third round of the women's NCAA tournament with a 90-80 victory over No. 5 seed LSU on Tuesday night.

Ariel Edwards scored 15 points and Mia Nickson had 14 points and 10 rebounds for the Lady Lions (26-6), who will play Connecticut in Kingston, R.I., on Sunday in the regional semifinals. That game will be the first third-round appearance for fifth-year Penn State coach Coquese Washington.

LaSondra Barrett had 18 points and 12 rebounds for LSU (23-11), while Krystal Forthan added 15 points and Bianca Lutley 14. Barrett's nine made free throws made her LSU's all-time leader with 497, surpassing Sylvia Fowles' 494.

Lucas was 7 of 12 shooting, including 5 of 7 from 3-point range.