Stevie Wisz's third open-heart surgery, performed Friday in Los Angeles, was a complete success, her mother Melissa said.

Wisz, the Righetti High softball standout who walked on at UCLA and won a national title with the Bruins earlier this month, is recovering after undergoing surgery at the Keck Hospital of USC.

Wisz delayed the life-saving procedure until after her senior season at UCLA. Her decision gained national media attention after her story was featured by ESPN writer Wayne Drehs.

Friday afternoon, Melissa Wisz posted on social media, writing that everything went smoothly during her daughter's procedure.

"Surgery was a COMPLETE SUCCESS!!!," Melissa Wisz wrote on Twitter. "Our girl is on her way to living her BEST LIFE!"

A team of doctors performed what is known as the Ross procedure on Wisz. The four-hour operation moved Wisz's pulmonary valve to her aortic location and then replaced that pulmonary valve with one from a cadaver. Wisz had previously replaced her aortic valve via open-heart surgery with one from a pig's heart.

Before the surgery, Wisz said she was anxious to get the procedure over with and hopeful to feel better after doctors repaired her heart.

"I'm excited to get it over with, to feel better and to wake up knowing that I did it and I was able to overcome another one," Wisz said Wednesday before throwing out the first pitch at the area All-Star softball game. "I'm really looking forward to getting it over with and being healthier and stronger than before."

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Wisz was first diagnosed with aortic stenosis just after turning a year old. She had her first open-heart surgery at the age of 9, then had a pacemaker implanted at 10. She had a second open-heart surgery at the age of 15. 

Before the start of her senior season at UCLA, Wisz began to show the symptoms that had previously accompanied her heart disease. Doctors discovered that her aorta was leaking once again and another open-heart surgery was needed to save her life.

Wisz chose to delay that procedure to Friday so she could play her final season at UCLA.

She graduated from UCLA on June 13 with a degree in Biology.

Wisz was expected to leave the hospitalize on Tuesday after she recovered from the operation.

Photos: Stevie Wisz throws out first pitch at Dodger Stadium

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Joe Bailey is the sports editor at Lee Central Coast Newspapers. Contact him with tips and story ideas at jbailey@leecentralcoastnews.com or (805) 739-2239. Follow him on Twitter at twitter.com/jbaileysmsports