Doors Down’s singer Brad Arnold opens up about his cancer diagnosis and the band’s cancelled tour Read ahead to know about his health and stage 4 kidney cancer

Doors Down frontman Brad Arnold announced his diagnosis with cancer May 7 via social media. Here's how to get a refund for canceled tour dates.

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.