Fig. 2

The image score for prognosis analysis. (a) The results of the relationship between the image score and survival analyzed by univariate Cox regression. Relative importance of variables according to SHAP for 5-year OS (b, c), LRFS (d, e), and iDFS (f, g). PMRT postmastectomy radiotherapy, LVI lymphovascular invasion, SHAP Shapley’s Additive Explanation.