Olympic figure skating silver medalist and four-time world champion Kaori Sakamoto had heart surgery in July 2017 but kept the treatment under wraps until after retiring from competition.In a recent interview with Kyodo News, Sakamoto said she had the procedure for an arrhythmia at the start of the 2018 Pyeongchang Winter Olympic season.The Kobe native hung up her skates in March after winning her fourth world title, a record for a Japanese skater, in the wake of her runner-up performance at the Milan Cortina Winter Games.She first felt symptoms of the life-threatening condition in 2016, wh…READ FULL ARTICLE