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(a, c, e) Distribution of risk score in patients with BC. The black dotted line serves as the dividing line between the high-risk group and the low-risk group. (b, d, f) Diagram of the relationship between risk score and patient survival time. The result of (a, b) is based on training set, the result of (c, d) is based on test set, and the result of (e, f) is based on the overall internal validation set.
