Five-year CCS treated for a solid tumor or lymphoma in Gustave Roussy before 2000, included in the FCCSS cohort (French Childhood Cancer Survivor Study) were invited to a LTFU visit . Factors associated with attendance at the clinic between 2012 and 2020 were estimated using logistic regression analyses . Clinical (tumor characteristics, cancer treatments, late effects, medical expenses, social (deprivation index based on census-tract data relating to income, educational level, proportion of blue-collar workers, and unemployed people living in area of residence) also increased attendance .