Rainbow's Hyunyoung recently underwent surgery for her vocal cord polyp.

Rainbow's agency, DSP Media, revealed, "Cho Hyunyoung was recently diagnosed with a vocal cord polyp and received surgery. As her schedule became busier, she had to use her voice more, which is why I think she developed the polyp. She is currently in recovery."

Rainbow memebers are currently busy with their individual activities. Member�Go Woori is currently participating in the KBS2 sitcom 'I Need a Fairy'.

We wish Hyunyoung a speedy recovery!

Source: Sports Chosun via Nate