Mbappe returns after a strong health setback, appearing unusually slim

French star Kylian Mbappe has returned to training with Real Madrid after a period of absence due to a severe stomach and intestinal inflammation that required hospitalization and visibly affected his health and weight, losing between 4 to 5 kilograms during this period.

Photos released by Real Madrid show Mbappe training in the gym after recovering from the illness that kept him out of the team's first two matches in the current FIFA Club World Cup held in the United States.

Reports, including from the Spanish newspaper "Marca", revealed that Mbappe was affected by the illness shortly after arriving with the team in Palm Beach city to participate in the tournament.

Stomach inflammation causes symptoms such as vomiting, diarrhea, abdominal pain, leading to dehydration and weight loss.

Real Madrid started their FIFA Club World Cup journey with a 1-1 draw against Al-Hilal Saudi Arabia, then defeated Pachuca from Mexico 3-1, and will play their final group stage match on Thursday against Red Bull Salzburg from Austria.

Mbappe's return is a strong boost for Real Madrid in their quest to win the championship despite their stumbling start due to the absence of the team's star player.