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. 2021 Aug 19;22:58. doi: 10.1186/s12865-021-00449-1

Fig. 5.

Fig. 5

Frequencies of intratumoral CD39+ Treg and patient outcome. Preliminary data on cumulative cancer-specific survival (A) and cumulative relapse-free survival (B), of group I patients (≥ 75% of CD39-expressing Treg) and group II (< 75% of CD39-expressing Treg). Kaplan–Meier curves are color-coded for patients belonging to group I (n = 31; red) and II (n = 13; blue) and the number at risk in each group at specified time-points is depicted below each graph. Small vertical bars on the Kaplan–Meier curves indicate censoring