Sick Of It All have cancelled their European tour dates following frontman Lou Koller’s esophageal cancer diagnosis.Last month, the band had toured UK and Europe and were set to make stops in Belgium, Germany and Poland this summer, but have since cancelled the shows.The frontman of the New York punk band took to their official Instagram account to share a video explaining the tour cancellation and opened up his diagnosis.“What’s up everybody, Lou here. As you may or may know, we had to cancel out full European tour this Summer. There’s some rumours going around as to why, and we’re here to set the record straight.