Sixth-ranked Zheng Qinwen of China has undergone arthroscopic surgery on her right elbow after experiencing "persistent pain" ...

Sixth-ranked Zheng Qinwen of China has undergone arthroscopic surgery on her right elbow after experiencing “persistent pain” ...

Zheng Qinwen revealed she had successfully undergone surgery to treat a persistent elbow injury, the reigning Olympic champion sharing the news on social media Saturday.