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Kaplan-Meier curves for 1,25-dihydroxyvitamin D levels and (A) diffuse large B-cell (DLBCL) event-free survival (EFS), (B) DLBCL overall survival (OS), (C) T-cell lymphoma (TCL) EFS, and (D) TCL OS. 1,25-dihydroxyvitamin D levels in pg/mL.