The England international will be hoping for a first start in the tournament when Gareth Southgate's side take on Germany at Wembley on Tuesday.
However, he has reiterated that he has been playing through the pain barrier for a while, even if he does feel ready to shine, if called upon, after some minutes off the bench in the group stages.
There is no potential timeframe for a recovery from any surgery but he has disclosed issues with his shoulder and ankle during the season, despite helping the Reds to finish in second spot and reach the Europa League final.