American Idol:

Finalist Phillip Phillips suffered from kidney pain and was taken to the hospital before the Top 13 results show, and later received medical procedure to alleviate a blockage caused by kidney stones. He was reported to have eight surgeries during his Idol run, and had considered quitting the show due to the pain. He underwent surgery to remove the stones and reconstruct his kidney soon after the season had finished.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Why was Phillip Phillips hospitalized during his time on American Idol?
kidney stones