KUALA LUMPUR, April 11 -- Winter of K-pop girl group Aespa will be taking a hiatus while recovering from a surgery to prevent a collapsed lung.

Aespa's label SM Entertainment confirmed in a statement that the 23-year-old underwent surgery as a preventative measure following 'plenty of discussion', Soompi reported.

"Winter recently underwent surgery for pneumothorax and is currently recovering," SM said.

"As (pneumothorax) is a condition prone to recurrence, (the surgery) was carried out as a preventive measure in accordance with her doctor's opinion, and the decision was made after plenty of discussion."

Pneumothorax is an accumulation of air outside the lung that can create pressure against the lung and cause it to collapse if left u...