Burgess made his Great Britain debut in 2007 (Getty)
Bradford and England forward Sam Burgess will miss the rest of the Super League season and the World Cup.
Burgess injured his shoulder in Bradford's defeat at Huddersfield earlier this month and is to undergo surgery on Monday.
The 19-year-old said: "It is really disappointing but what I wanted to do and what I know are right are two different things.
"I'm doing the right one by going in for the operation now."
He added: "I also know I wouldn't have been able to play to my best or do myself justice if I'd have carried on and this way I'll be fully fit for 2009."
Bulls coach Steve McNamara said: "What I'd love Sam to do is carry on in Super League, hopefully help the Bulls win the competition, then go on and be a star of the World Cup.
"He wants to do that too but we both realise what is right for him in this situation and with regards his long-term future.
"I would also like to make it clear that this shoulder injury isn't the one Sam's been playing on with for the last few months. That was in his other shoulder and has been a simple problem."
Burgess will be a major loss to England coach Tony Smith in October's World Cup in Australia.
"I am really sorry to hear about Sam's injury and I feel for him now that he's lost the opportunity to win a place in the England World Cup squad," said Smith.
"However, he is a tremendous young talent and I believe he will have the chance to play plenty of international rugby league in the future, in what is set to be a long and successful career."