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Genetic model of central nervous system progression in primary vitreoretinal lymphoma. (A) Cumulative incidence of central nervous system (CNS) progression in primary vitreoretinal lymphoma (PVRL). (B) Genetic model using ETV6 loss and PRDM1 alteration to define slow-, intermediate-, and rapid-progression groups (0, 1, and 2 factors, respectively). Cumulative incidence of CNS progression in the 3 groups is shown.
