Cristiano Ronaldo has undergone tests in Portugal after suffering an injury in Monday's Euro 2020 qualifier against Serbia.
The forward was forced out in the 30th minute of Monday's match after pulling up with an apparent leg injury.
Portugal went on to draw the tie 1-1 with Danilo Pereira cancelling out Dusan Tadic's opening finish from the penalty spot.
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Following the match, the forward insisted that he was not worried about the injury and that he would be back in "one or two weeks with no problem" .