Arthurs, 60, revealed the news in an Instagram post on Friday, Oct. 3, explaining that he was diagnosed with prostate cancer "early this year." "The good news is I'm responding really well to treatment, which meant I could be part of this incredible tour," Arthurs wrote in a statement. Paul "Bonehead' Arthurs announces prostate cancer diagnosis and Oasis responds. Paul "Bonehead" Arthurs performing during the Oasis Live '25 World Tour at Rose Bowl Stadium on September 06, 2025. Paul "Bonehead" Arthurs performing at the Universal Amphitheatre in Los Angeles, California on January 27, 1998.