 On 12 January 2018 Fanchini announced that she would have to give up participating in the Pyeongchang 2018 Winter Olympics in order to undergo cancer treatment.In the 2019 season she was preparing to return to the World Cup, but during training for the Killington Super-G she fell on the Superstar track and suffered a fracture of a finger of the hand and a distortion-bruising trauma to the left knee, with fracture of the proximal fibula.The injury forced her to return to Italy without being able to compete in the season.