ERBB2 and lymphangioma: Consistent with the results of the multivariate logistic analysis, bone metastases contributed the most risk of LM developing, followed by the molecular subtypes of HR-/HER2+, lung metastases, etc. The ROC analysis revealed that the area under the curve (AUC) value of this risk nomogram is 0.892 (95% CI 0.878–0.913), indicating that this model had excellent discriminatory power (Figure 2B).