Sao Paulo have announced the Oscar has been released from hospital after he collapsed during training last week.The former Chelsea star was hospitalised with a cardiac issue that he suffered during pre-season testing.Oscar has been discharged from hospital after a health scareGettyOscar was on an exercise bike, fell to the ground and was unconscious for two minutes before being aided by medical staff.He underwent a diagnostic catheterisation at hospital, but has been discharged as confirmed by a club statement.What have Sao Paulo said on Oscar?“Midfielder Oscar was discharged from Einstein Hospital Israelita this Sunday [16],” Sao Paulo said.“The player was admitted to the hospital on Tuesday afternoon [11], after presenting an incident with cardiological changes during tests carried out at SuperCT.“Extensive investigation carried out at the hospital confirmed that the player experienced an episode of vasovagal syncope.“Stable and clinically well throughout his hospital stay, the athlete will now follow a medical rest program for the next few days.”A report from Brazil claimed Oscar has evaluated the termination of his contract at Sao Paulo.It’s unclear as to whether or not the 34-year-old will follow up on this.Oscar was made aware of an abnormality during a medical evaluation on a fractured vertebrae in August.The midfielder continued playing for Sao Paulo despite this news.Oscar won four trophies during his five-year stay with ChelseaGetty Images - GettyHowever, is said to have told people at the time that he would stop playing if there was any chance he could feel unwell when doing so.Oscar made 21 appearances for Sao Paulo during their 2025 season, scoring two goals and assisting five.The Brazilian rejoined his boyhood club at the start of 2025 after spending seven years in China with Shanghai Port.Oscar is best-known for his five-year stint at Chelsea, whom he joined in 2012.He won two Premier League titles, the Europa League and the League Cup during his stay at Stamford Bridge.At international level, Oscar earned 48 caps for Brazil, scoring 12 goals and assisting another 15.Oscar is now on the road to recovery but it remains to be seen if he’ll play football againGetty