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Kaplan–Meier survival estimation of melanoma patients by CCR5 status. Curves showing the overall survival of 782 cutaneous melanoma patients from the time of primary diagnosis. Survival probabilities were compared by the CCR5Δ32 polymorphism status using the log rank test; wt/wt, 680 patients; wt/Δ32 or Δ32/Δ32, 102 patients; P = 0.89. Vertical bars indicate censored observations
