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From Slayer.net:
"'Tom gave various medical treatments more than a fair shot,' said Slayer's manager Rick Sales, 'but they just haven't handled the problem, so he's biting the bullet and is scheduled for back surgery at the end of this month.'
This difficult decision made by the band's bassist/vocalist Tom Araya means the cancellation of Slayer's immediate tour plans that include the American and Canadian Carnage Tour dates that were set to kick off on January 18, as well as the band's UK/European headline tour scheduled for March and April. Booking agents for both Slayer and Megadeth are already hard at work rescheduling the tour dates; tickets already purchased for these shows will be honored at the rescheduled dates."
Get well soon cards can be sent straight to HELL!