Def Leppard tour up-date

Def Leppard guitarist Vivian Campbell has revealed that he will receive cancer treatments around Def Leppard's North American summer tour and that he'll only miss the first two dates of the trek. This past week, Campbell - who was first diagnosed with Hodgkin's lymphoma in 2013 - announced that the cancer had returned for the first time since he underwent a stem cell transplant last fall.