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Nickelback Tuesday canceled the rest of its North American tour dates, including a Saturday concert at the Sleep Train Amphitheatre, because lead vocalist Chad Kroeger has been diagnosed with a cyst on his voice box.

Kroeger has been ordered to rest his voice for three weeks and then have the cyst removed.

“I am sorry I have to interrupt the party this summer and I am definitely not thrilled with the prospect of being silent for many weeks to come when I could be out there playing for our fans,” he said in a statement released through concert promoter Live Nation.

“I am relying on my doctor and his team to help get my voice back in good form as quickly as possible,” Kroeger said.

The band is hoping Kroeger will return in time for the European leg of its tour, scheduled to begin at the end of September.

Ticket refunds will be available at the point of purchase, according to Live Nation. More information is available online at livenation.com and nickelback.com

—City News Service