The Paris Saint-Germain striker has only made a brief substitute appearance in the last two months, but Edinson Cavani is back in training.
Manchester United face Paris Saint-Germain trailing 2-0 from the home leg and they are without a host of key players in France.
Edinson Cavani has missed almost a month of action but will be given as much time as possible to make PSG's meeting with Manchester United.
PSG head coach Thomas Tuchel feels his initial assessment of Edinson Cavani's injury was too optimistic.
Thomas Tuchel expects to see Edinson Cavani in Paris Saint-Germain training this week, with a potential return following on Saturday.
Angel Di Maria scored with a superb curling free-kick from 30 yards as Paris Saint-Germain beat Montpellier 5-1 at Parc des Princes.
Thomas Meunier and Eric Choupo-Moting join Edinson Cavani and Neymar on the sidelines for Paris Saint-Germain's clash with Saint-Etienne.
Edinson Cavani is a major doubt for Tuesday's trip to Manchester United after Paris Saint-Germain confirmed the striker has a hip injury.
David de Gea said Paris Saint-Germain will be favourites against Manchester United but backed his team-mates to win silverware.
Edinson Cavani is expected to miss Paris Saint-Germain's trip to Manchester United, according to coach Thomas Tuchel.