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. 2020 Dec 14;124(6):1121–1129. doi: 10.1038/s41416-020-01204-w

Fig. 6. Kaplan–Meier recurrence-free survival (RFS) curve for Model 2 in lymph node-negative patients.

Fig. 6

Group description (number of patients related to this characteristic is in the bracket): Group 1: other combinations not included in Group 2; Group 2: tumour-free distance ≤3.5**, adenosquamous tumour type. One patient without event is not included into the groups: Minimal tu-pcf (US) > 3.5**, adenosquamous tumour type. *Log-rank test. **Cut-off determined by ROC analysis, the criterion was the highest value of the sum of sensitivity and specificity.