Ousmane Dembele scored the only goal of the first leg after four minutes [EPA]Paris St-Germain forward Ousmane Dembele is fit for Wednesday's Champions League semi-final second leg against Arsenal after recovering from a hamstring injury.The France striker was considered a doubt after coming off midway through the second half of last week's first leg at Emirates Stadium.The 27-year-old, who scored the only goal in north London, missed Paris St-Germain's weekend Ligue 1 defeat against Strasbourg