Sir Rod Stewart has stepped back from performing this week after a health issue required "prompt attention," forcing him to cancel two shows on his One Last Time tour. However, his recovery is still ongoing, as Rod later canceled his show in Cleveland, Ohio, on Tuesday, August 11. © Getty Images Rod has canceled another two shows on his One Last Time tour"Following a period of monitoring, doctors have advised Rod Stewart to rest for at least 48 hours. Rod's health woes© Getty Images Rod has had several setbacks with his health latelyIt's not the first time this year that Rod's health has disrupted his tour, prompting him to cancel or postpone concerts during May and June. The decision sparked frustration when the singer was pictured travelling to Boston with sons Liam and Alastair the following day to watch Scotland play Haiti in the FIFA World Cup.