RecruitingClinical trialReal World Pediatric Oncology Rehabilitation in Italy ( ReWori )This observational study aims to describe changes in the functional abilities of children, adolescents and young adults with cancer who are undergoing physiotherapy or neuropsychomotor rehabilitation. This is real-world study aiming to describe normal rehabilitation pathways in many different hospitals or rehabilitation centres in Italy. The primary research question is: 1\) What are the longitudinal changes in functional abilities among these patients receiving physiotherapy or neuropsychomotor rehabilitation? The secondary research questions are: 1. What types of rehabilitation practices are implemented across AIEOP centres? 2. What are the rehabilitation needs among patients undergoing physiotherapy or neuropsychomotor rehabilitation? 3. How does health-related quality of life differ across the various stages of the rehabilitation pathway? Participants undergoing usual rehabilitation treatment are evaluated on their functional abilities on a monthly basis. If they agree to participate in this study, the main characteristics of the rehabilitation treatment and the monthly evaluation are collected.