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CD57 phenotype predicts SCC development and recurrence. (A) SCC occurrence in all RTRs by history of previous SCC. (B) SCC occurrence in all RTRs by CD57 phenotype. (C) SCC recurrence in all RTRs by time since previous SCC (for those with SCC during study or preceding year). Black ticks indicate censoring. Hazard ratios are reported as univariate Cox models.
