Kate, the Princess of Wales, canceled plans to attend the Royal Ascot horse race as she continues her recovery from cancer.

Catherine, Princess of Wales dropped out of a planned engagement at Royal Ascot at short notice on Wednesday. Kate, 43, had been expected to join her husband Prince William as well as King Charles and Queen Camilla in the traditional carriage procession at the racecourse.

Kate, who shares three young children with William, has made a gradual return to public engagements this year since announcing in January that she is in remission from cancer. Kate has not shared details of the type of cancer with which she was diagnosed, though she has shared she underwent chemotherapy treatment.