A 26-year-old man's appendix, removed in an operation, is officially a world record length.
The record appendix removed at Lister Hospital in Stevenage
The 21cm (8.26 inches) long appendix of Leeds man Spencer Bayles has made the Guinness Book of Records.
He was taken ill when travelling south by train in November 2002 to catch a plane at Heathrow Airport and was rushed to the Lister Hospital in Stevenage, Hertfordshire.
Surgeon Hari Shenoy took four hours to remove the appendix in an operation that would normally take two hours.
He had read couple of months earlier that the longest removed appendix was only seven inches.
"When I saw this appendix, I knew it was longer," the surgeon said. "It was certainly the longest appendix I have removed in my surgical career."
Now fully recovered, Mr Bayles said he contacted Guinness World Records after a friend told him that the previous longest appendix was around seven inches long.
After submitting evidence from the surgeon he has been sent a certificate by Guinness "for the longest appendix removed".