Benzema's absence might be a big blow to Real Madrid, given the Frenchman has scored 27 goals in 33 video games for them to date this season.
He has overlooked Madrid's remaining two suits with a hamstring harm and also will take a seat out Saturday's go to to Villarreal in La Liga.
Ancelotti stated the 34-year-antique remains education on my own and is expected to resume work with the crew on both Sunday or Monday, ahead of the crunch first leg in Paris.
"What we've got are appropriate feelings," stated Ancelotti in a press conference on Friday.
"He keeps to paintings individually.
"We should anticipate him to begin education with the crew and he's going to try this on Sunday or Monday, then we are able to make the decision.
"So far I can not say whatever but the feelings of each person -- his, mine and those of the docs -- are appropriate."
Ancelotti stated he would no longer push Benzema returned before he is prepared.
"Risk does now not exist. If we assume that Karim can play, he's going to play properly. If there is even a minimum danger, he'll now not play," Ancelotti stated.
Madrid take a seat six points clear of Sevilla at the top of La Liga however this weekend face a resurgent Villarreal facet, whose six wins in their final 8 league games have propelled them again into contention for the pinnacle 4.