What is natasha lyonne heart surgery?

As an AI language model, I do not have access to the latest information and news, nor am I capable of browsing the internet. However, according to sources from around 2005-2006, actress Natasha Lyonne underwent heart surgery to correct a genetic heart condition. She had her heart valve replaced with a bovine valve, and the surgery was successful. Lyonne has talked openly about her health issues in the past and continues to act in films and TV shows.