Def Leppard guitarist Vivian Campbell has confirmed that his cancer has returned. Campbell was diagnosed with Hodgkin's lymphoma in 2013. He had previously announced being in remission in 2025 after undergoing treatments including chemotherapy and a stem cell transplant.

The 63-year-old rocker is continuing treatments to manage the cancer. He may need to undergo another transplant in the future. Despite his health issues, Campbell plans to continue his activities without slowing down.

Further details about Campbell's condition and treatment are available from the source, including an interview transcript.