After fighting for her life twice, Megan Stuart, 20, is using a personal victory as a springboard for giving back to the hospital that saved her.

The Minneapolis woman has already faced her share of challenges.

Stuart and her twin brother were born eight weeks early. Then, at just 4 months old, she was diagnosed with an aggressive form of cancer, she said. 

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Years later, just as she was on the verge of achieving her life's goal in Irish dancing, the COVID pandemic shut down her favorite sport. 

Even so, in an on-camera interview with Fox News Digital, Stuart referred to herself a number of times as "lucky." (See the video at the top of this article.)

She was lucky, she said, that Children's Minnesota — the hospital where she and her brother spent 40 days in the NICU after their premature birth — had the facilities and know-how to treat an infant with stage 3 neuroblastoma. 

And now she is lucky, she added, that she's been given a platform to give back to it.

After nearly a decade of attempts and close finishes, Stuart was crowned the world champion in Irish dance last March at the CLRG World Championships in Glasgow, Scotland. The CLRG is the world's largest and oldest Irish dance governing body.

Celebrating a victory with a large party with family and friends is customary, but Stuart is marking her championship by raising money for the Cancer Kids Fund at Children's Minnesota, a charity close to her heart. 

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"This is something I've been thinking about [doing] for a really long time, before I even won — I was like, ‘Wow, I think it would be really great to do something to just give back,'" Stuart told Fox News Digital in an on-camera interview. 

"I feel really, really lucky to not only have had Children's Minnesota in my life, but also to have survived cancer and to have their entire team … contribute to saving my life, and then … to have a great dance community," she said.

Stuart's mother first noticed something was off with her newborn daughter shortly after the doctors released her baby from the NICU.

"I think it was after a couple of weeks, [my mother] was like, 'Something's just not right. Megan's not quite matching up with John in terms of traditional development,'" Stuart recounted to Fox News Digital. "There were some weird illness-like symptoms going on." 

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Tests for common illnesses such as RSV and flu came back negative. But Stuart's mother "just kept insisting that something was wrong." 

After more rounds of testing, Stuart's markers indicated that she had stage 3 neuroblastoma, a rare cancer that develops in nerve tissue. 

Her doctors were stunned, even re-running the tests to ensure the results were not a fluke. 

Dr. Susan Sencer, vice president of chief specialty pediatrics at Children's Minnesota, was Stuart's oncologist. 

"I have had the privilege of witnessing some truly remarkable journeys, Megan's being one of them," she told Fox News Digital in an interview.

After her diagnosis, "Megan faced an incredibly challenging start to life," Sencer said, noting that "her resilience and determination throughout treatment were extraordinary." 

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The medical team faced unique challenges in treating Stuart, who was extremely small due to her premature birth.

While Stuart said the harsh chemotherapy drugs "majorly affected" her development, she has not had any significant long-term health impacts, which she called "unbelievable." 

"They always look for major heart defects, and [chemotherapy] can really affect your hearing, too," she said, which, for an Irish dancer, would prove disastrous. 

For two years after the diagnosis, the Stuarts "basically lived" at Children's Minnesota, she said, during which time they "benefited greatly" from the Cancer Kids Fund.

The fund provides child care for patients' siblings, plus arts and crafts programs and other services outside the medical setting.

With her fundraiser, Stuart is aiming to help other families facing situations similar to what she went through years ago.

Stuart regards her championship win as an opportunity to tie together two key communities in her life, cancer survival and Irish dance.

Stuart began taking Irish dance classes at Corda Mór Irish Dance in Edina, Minnesota, at age 4, following in her older sister's footsteps. (In Gaelic, "Corda Mór" means "great heart.")

"In typical little sister fashion, I just wanted to be like her," she told Fox News Digital. "I thought she was the best dancer I'd ever seen." 

At the time she laced up her first pair of dance shoes, Stuart had just been declared cancer-free, something she said was a "cool coincidence."

Right away, she set a goal to win a world title. 

"As soon as I knew … what the world championships were, I was dead set on winning," she said. "Not because I was like, ‘Oh, I need to win,’ but I just thought how cool it would be." 

While Stuart quickly experienced success at the regional level, winning her first regional championship in 2014 at age 10, she was a long way from winning a world title. 

In 2020, Stuart finally won a major international competition – the All-Ireland Championships – and seemed well on her way to achieving the goal she'd set as a child.

Then, just weeks later, the 2020 world championships were canceled due to the COVID pandemic. The 2021 world championships were called off as well. 

Undeterred, Stuart kept training — and in 2022, she placed second at the world championships. While she was thrilled with the outcome, she believed she had the potential to win.  

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In 2023, Stuart again placed second at the world championships. 

"Being so close to the top so many times, it really pushed me over the edge to my very best level," she said. 

Instead of focusing on winning, she centered her training on "finding reason within dancing" and performing for the love of it. 

On March 29, 2024, Stuart's dream became a reality. As the announcer at the world championships announced the second-place dancer – it was not Stuart – she jumped to her feet, screaming.

Fauna Gille, co-owner of Corda Mór Irish Dance, told Fox News Digital it was clear from the beginning that Stuart was a champion in the making.

"To win Worlds became Megan's dream, but it's the journey to get there that has given us the memories of a lifetime," Gille said in an email.

"Megan has shown us what ‘great heart’ means throughout this journey, through her kind spirit, perseverance, passion for her craft, and steady and strong nature through the many ups and downs of both Irish dancing and life," she said.

Stuart, said Gille, "is a role model for her peers, and an inspiration to her teachers and so many others." 

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Sencer, Stuart's oncologist, agreed with that. 

"I’m not surprised she’s now a world champion dancer," she said. "Her transformation from a tiny patient battling cancer to a celebrated dancer on the global stage is a testament to her incredible strength, perseverance and passion for life."

Stuart's triumph, said Sencer, is "a powerful reminder that with courage and support, it is possible to overcome even the most daunting obstacles and achieve greatness."

The doctor added, "Megan’s journey inspires hope and proves that life after cancer can be full of vibrant possibilities."

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For her part, Stuart said, "Standing on the podium during that award ceremony, I was like, ‘Wow, this is so meaningful.’"

She went on, "My life is truly incredible, and I just feel – there's no better word for it – so incredibly lucky."