Brad Arnold, the lead singer of 3 Doors Down, announced that the American rock band's summer tour would be canceled for a heartbreaking reason — he has been diagnosed with Stage 4 kidney cancer that has spread to his lungs.

The rock band vocalist said he “got the diagnosis that I had clear cell renal carcinoma that had metastasized into my lung."

Brad Arnold has been diagnosed with kidney cancer, resulting in 3 Doors Down to cancel their summer 2025 tour.