Pat Summitt smiles at her son, Tyler, as she appears at a news conference. After 38 seasons as the Tennessee women's basketball coach, Summitt retired on Thursday, April 19, 2012 due to early-onset dementia. Summitt will become head coach emeritus and former assistant Holly Warlick will become coach.

Members of the Tennessee Lady Vols listen to Summitt's news conference.

Summitt cuts down the net after Tennessee's win against LSU in the women's SEC tournament on Sunday, March 4, 2012, in Nashville, Tenn. It was the 16 tournament title of her career.

Summitt waits for her players during a timeout. Baylor beat Tennessee in the 2012 NCAA tournament on Monday, March 26, 2012, in Des Moines, Iowa, the final game of Summitt's career.

Knox County employee Pat Carson signs a banner in support of Summitt on Wednesday, March 28, 2012 in Knoxville, Tenn. The non-profit Alzheimer's Tennessee organized the "We Back Pat" campaign after Summitt revealed in August, 2011, that she'd been diagnosed with early-onset dementia, Alzheimer's type.

Tennessee coach Pat Summitt yells to her team. Summitt won the 1,000 game of her career with a win against Georgia on Feb. 5, 2009 in Knoxville, Tenn.

On January 29, 2009, Summitt coached her team to a one-point win over Mississippi, giving her the 999th victory of her career. Former Army, Indiana and Texas Tech men's coach Bob Knight is second with 902.

Summitt speaks to fans as they gathered to celebrate their eighth NCAA Women's Basketball National Championship at Thompson-Boling Arena in April 2008.

Tennessee coach Pat Summitt gives instructions to Candace Parker, who is widely believed to be the greatest women's collegiate player of all time.

Summitt reaches a familiar place, holding the net after winning the 2008 NCAA championship, the eighth in the unsurpassed history of the Tennessee women's basketball program.

Tennessee head Pat Summitt reacts as University of Tennessee president John Petersen unveils a rendering of the floor at Thompson Boling Arena, which was renamed "The Summitt" in honor of the Tennessee coach after breaking the NCAA record for most career wins with 880.

Lady Vol coach Pat Summitt wears a cheerleading uniform while cheering on the Tennessee men's basketball team. Summitt was repaying a similar gesture made by Tennessee men's coach Bruce Pearl.

University of Tennessee coach Pat Summitt accepts the Legends of Coaching award in Los Angeles on April 11, 2008.

Summitt shares a story with TV host Jay Leno in a 2007 appearance on "The Tonight Show."

Pat Summitt made her mark as a standout coach and teacher, and to date has won eight national championships, 14 SEC titles, and seven NCAA Coach of the Year awards.

In October 2000, Summitt gained the ultimate reward for her success, earning induction into the Basketball Hall of Fame.

The rivalry between Tennessee and the University of Connecticut, personified by coaches Summitt and Geno Auriemma, made it the first rivalry in the women's game to reach national consciousness. The two teams have combined for 13 national titles.

President George H. Bush congratulates Pat Summitt and the 1989 NCAA champion Tennessee Lady Volunteers at a White House ceremony.