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Tuilagi returned to domestic action against Newcastle Falcons at the start of the month and Lancaster has seen enough in training to convince him the centre is ready for an international return.
And while Lancaster insists Goode has not put a foot wrong, the England coach believes Tuilagi offers something extra.
"Manu trained well with us last week and today and is up to speed with the way we want to play," Lancaster said.
"Alex Goode has done well for us off the bench and is naturally disappointed but we believe Manu, with the power and physicality he can bring, is the right choice to be included in the 23 for this game."