John Terry insists he is not worried about being sidelined for England at this summer's Euro 2012 tournament, and expects to be back in action for Chelsea within the next four to six weeks.

The 31-year-old defender recently underwent a knee operation to resolve an injury the Blues skipper initially picked up at the start of January.

Terry has missed the last six games for Andre Villas-Boas' side, and will also sit out the Three Lions' friendly against Netherlands at Wembley this evening, but the Stamford Bridge stalwart is confident of making a full recovery in time for the end of season run-in.

"The operation went well and I'm feeling really good," he told The Sun. "The surgeon has shaved off a bit of bone in my right knee that was rubbing and causing a lot of swelling.

"We're all confident the operation has solved the problem and it is looking good for a quick return."

Reports had claimed that Terry - who was recently stripped of the England captaincy by the Football Association prior to Fabio Capello's resignation - was facing a battle to be fit for the summer's European Championships in Poland and Ukraine.

However, the Chelsea stopper has dismissed any fears of missing the tournament, and will be available for selection for the new manager.

"The medical staff say four to six weeks before I can play again," he added. "But, hopefully, it might be sooner.

"I'll definitely be back before the end of the season to help the team in the Premier League run-in and for the Euros."

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