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. 2020 Jun 26;12:94. doi: 10.1186/s13148-020-00883-9

Fig. 5.

Fig. 5

Progression-free survival in two cohorts of metastasized melanoma patients treated with immune checkpoint blockade in association to PD-L2 methylation and PD-L2 mRNA expression. Kaplan–Meier analysis of progression-free survival in metastasized melanoma patients stratified according to cg07211259 methylation (a) and PD-L2 mRNA expression (b) levels in pre-treatment samples. Patient samples were dichotomized based on optimized cutoffs. Follow-up data was available from N = 129 (methylation cohort) and N = 121 (mRNA expression cohort obtained from Liu et al. [25]) patients, respectively