Before his injury, Lennon had edged ahead of rivals Theo Walcott, David Beckham and Shaun Wright-Phillips in the England pecking order, playing in the last three World Cup qualifiers, and he was also a key part of Tottenham's push to earn a Champions League place.
England coach Fabio Capello will have to do without Lennon for the squad that will face Egypt on Wednesday 3 March.
However, he will hope Lennon manages to play regularly before the World Cup in South Africa this summer, with England's first game being against the United States on 12 June.
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