is it right that hangkyung have kidney prob???

owh...erm...yeah2..its been told in K-pop and in 文章 that hangkyung had kidney problems and gastritis(stomach irritation)..in the 文章 说 that hangeng are having health problem and need 更多 rest time.thats why he want to terminated his agreement with SME because SME didnt treat him well.His didnt get enough time to rest and cause his health become worse.that's what i know.and now he already come back in China entertainment~