Legendary University of Tennessee women's basketball coach Pat Summitt has died. She was 64.

Summitt's son, Tyler, announced the news in a statement Tuesday.

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“It is with tremendous sadness that I announce the passing of my mother, Patricia Sue Head Summitt," he wrote. "She died peacefully this morning at Sherrill Hill Senior Living in Knoxville surrounded by those who loved her most."

He added, "Since 2011, my mother has battled her toughest opponent, early onset dementia, 'Alzheimer's Type,' and she did so with bravely fierce determination just as she did with every opponent she ever faced. Even though it's incredibly difficult to come to terms that she is no longer with us, we can all find peace in knowing she no longer carries the heavy burden of this disease."

A Celebration of Life service  honoring Summitt will be held July 14 at 7 p.m. at the Thompson -Boling Arene on the University of Tennessee campus.

Former players, coaches and fans paid tribute to Summitt on social media, including Peyton Manning.

>>Fans, players pay tribute to Summitt

"She could have coached any team, any sport, men's or women's," he said in a statement. "It wouldn't have mattered because Pat could flat out coach. I will miss her dearly, and I am honored to call her my friend. My thoughts and prayers are with Tyler and their entire family."

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On Sunday, news broke that Summitt was reportedly "struggling" and her health was deteriorating.

Summitt, the winningest coach in NCAA basketball history, left basketball in March 2012, just a few months after being diagnosed with early-onset Alzheimer's.

"It was hard because I didn't want to, but I felt like I needed to step down," Summitt told ABC.

Summitt held a 1,098-208 record over her 38-year coaching career, all as coach of Tennessee.

She also collected eight NCAA titles over her career — the second most in NCAA women's basketball history.

In April 2012, she was also awarded the Presidential Medal of Freedom.

– The Cox Media Group National Content Desk contributed to this report.

This video includes clips from CBS, the University of Tennessee and images from Getty Images.