Today's survey revealed that striker edema, but without breaking muscle tissue.
After three lackluster games in group play, France was electric in its most recent match, particularly in the second half when it cut up Argentina's plodding defense.
"No team can win with one player alone", Portugal coach Fernando Santos said.
Rumours had it that Cristiano Ronaldo, a Portugal national will be retiring from worldwide football after a shocking exit from the World Cup 2018 in Russian Federation following their 2-0 defeat to Uruguay.
The lingering question all week for Uruguay will be the health of Cavani after he scored two goals but limped off in the 70th minute with a leg injury.
That run ended in the round of 16 at the World Cup, with Ronaldo again failing to score for his country in the knockout round of the tournament.
Twitter users praise Lukaku for assisting winning Belgium goal
Belgium boss Roberto Martinez was more optimistic, and said the benefit of the extra rest would outweigh any potential negatives. Japan fans look dejected after the match against Belgium at Rostov Arena in Russia July 2, 2018. "We had a really good chance".
Uruguay, world champions in 1930 and 1950, will play France, who beat Argentina 4-3 earlier in the day, in Nizhny Novgorod on July 6.
Portugal captain and star striker Cristiano Ronaldo has said that his team played well in the FIFA World Cup and deserved something more out of the tournament.
"We know that in Portugal, the squares are full, the people are together and rooting for us and we feel their presence here, so a word to the Portuguese people - we are very sad that we weren't able to make it", he told reporters. "We have a team with many young players and of course we all want him there with us".
The stunner came in the 7 minute, when Cavani passed the ball to Luis Suarez from the right. "They've shown throughout the World Cup how good their game is, their speed, how compact they are, it's unbelievable".
"However, I can say that I am proud of our efforts at the tournament in Russian Federation, let the evening and very hard for us", he added, reports "Sport-Express". But this didn't eclipse his efforts and determination in his fourth World Cup trip.
The pair linked up excellently for Uruguay's first goal, Suarez playing in a cross for Cavani to head past Portugal goalkeeper Rui Patricio.