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A Polish Olympic athlete has proven that you don't need a gold medal to be a champion.

Track and field star Piotr Malachowski took second place in the men's discus event at the Rio Olympics, but what he did with his silver medal is even more amazing.

"I did everything everything in my power to get (gold)," Malachowski wrote in a Facebook post on August 19, which has been translated from the original Polish. "Unfortunately this time it didn't work. But fate gave me a chance to increase the value of my silver."

Malachowski revealed that he was auctioning off his medal to help a child with a rare form of cancer, posting a link to an online fundraiser.

He explained that after the Olympics, he was contacted by the mother of three-year-old Olek Syzmanski, who suffers from retinoblastoma, an aggressive form of eye cancer.

The little boy needed a $126,000 surgery to treat the disease, and a Polish foundation had only been able to raise about one-third of that amount.

With a goal of about $84,000, Malachowski's fundraising effort got to about $19,000 before he prematurely closed the auction.

That's because Dominic and Sebastian Kulczyk, a wealthy Polish brother and sister, had generously offered to pay the difference.

Now, little Olek will have a chance at saving his sight, and Malachowski has proven to the world that he may not have taken first place at the Olympics, but he still has a heart of gold.

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