(CNN) — Paul “Bonehead” Arthurs, one of the founding members of the band Oasis, has shared he will be missing a few of their reunion gigs to receive cancer treatment.

The English guitarist posted a statement on social media in which he opened up about his diagnosis with prostate cancer earlier this year.

“The good news is I’m responding really well to treatment, which meant I could be part of this incredible tour,” he wrote in his post. “Now, I am having to take a planned break for the next phase of my care, so l’ll be missing the gigs in Seoul, Tokyo, Melbourne and Sydney.”

The group, fronted by brothers Liam and Noel Gallagher, whose contentious relationship led to their split in 2009, are currently on tour.

Arthurs wrote that he is “really sad to be missing these shows” but that

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