The 60-year-old, award-winning musician gave a quick update about his medical issues with posts on Instagram and Twitter.
"Last fall I was diagnosed with stomach cancer," he wrote. "I've spent the last 6 months receiving chemo, radiation and surgery. So far, so good.
I need time to breathe, recover and relax."
He added: "I am looking forward to spending this time with my family. But I will see the fans sooner than later. I can't wait."
Following his announcement, the Ohio State Fair reported Keith's scheduled performance on July 28 had been canceled.
t's unclear any additional show on his tour will be rescheduled or postponed, but Keith has been performing throughout his diagnosis, treatment and recovery process.
The "Red Solo Cup" singer amassed thousands of likes and supportive comments within minutes of the posts going live on his platforms.