Nickelback cancels Riverbend show

Nickelback was forced to cancel all of the remaining dates of the 2015 No Fixed Address tour, which included a stop at Riverbend Music Center on July 31.

Lead vocalist Chad Kroeger was diagnosed with an operable cyst on his voice box, according to a press release. Kroeger will undergo surgery in three weeks, following vocal rest ordered by doctors.

Ticket refunds will be available at the point of purchase.

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Kroeger's medical team anticipates a full recovery and the No Fixed Address tour will resume with the previously scheduled European run, in Helsinki, Finland on Sept. 30, according to the release. Nickelback is expected to return to North America in 2016.