Lou Koller's Esophageal Cancer Returns, Band to Resume Treatment

Lou Koller, cofounder and lead vocalist of New York hardcore band Sick Of It All, announced on Tuesday that his esophageal cancer has returned, four months after he had publicly declared himself cancer free. In a self-recorded video posted to the band's social media channels on September 30, Koller said scans confirmed the disease's recurrence and that he will resume treatment.

"Here's an update for you. It's not one that I want to make, but unfortunately the cancer's come back, and he's brought some friends with him," Koller said in the video. He described difficulties during recovery, saying he had been "having a really hard time with my recovery" and struggling to gain weight and keep food down. "But we're gonna take it day by day and see what happens," he added, thanking fans for their support.

Koller was first diagnosed in June 2024 with adenocarcinoma of the esophagus. He underwent chemotherapy last year and announced in May 2025 that scans showed no detectable cancer following his final round of treatment. The initial diagnosis prompted the band to suspend live activity. Sick Of It All currently have no shows announced.

The news prompted renewed messages of support from...