What was the name of the child who Piotr Malachowski helped?

What part of the boys body did his type of cancer effect?

Which Olympian sold their medal to raise money for Leukemia awareness?

Piotr Malachowski sold his gold medal to help a child with eye cancer

The specific type of eye cancer that Olek had is called retinoblastoma

How much money did the surgery cost in total?

Dominika and Sebasian Kulczyk funded the majority of the surgery