The musician and mom of two, who turned 47 in August, scored a string of country hits in the late 1990s and early 2000s, including three Billboard country number-one hits in a row — "Bye, Bye," "I'm Alright" and "Stand Beside Me" — in 1998.
While the statement didn't reveal the type of cancer Messina was diagnosed with, it let fans know the singer would undergo treatment this fall.
Peter Kramer / NBC
"We don't know anything specific regarding the treatment plan at this point, but Jo Dee is working closely with a team to explore all options," the message read. "She has taken the semester off from classes at The King's University, and her last tour date for the year will be October 7 (all other 2017 dates are being postponed), as she will begin cancer treatment this Fall."
The message also stated that Messina was turning to God for strength.