Table 3 Comparison of AUC values for identifying residual lesions.

	AUC		All types	p-value	HR- HER2-	p-value	HR- HER2 +	p-value	HR + HER2 +	p-value
Size vs. SER	Early phase	Size	0.82	0.6995	0.92	0.2866	0.82	0.9246	0.74	0.7781
	Early phase	SER	0.81	0.6995	0.89	0.2866	0.83	0.9246	0.75	0.7781
	Late phase	Size	0.78	0.6102	0.92	0.0305	0.78	0.7273	0.64	0.1216
	Late phase	SER	0.76	0.6102	0.83	0.0305	0.76	0.7273	0.73	0.1216
Early vs. Late phase	Size	Early phase	0.82	0.0081	0.92	0.9602	0.82	0.1799	0.74	0.0069
	Size	Late phase	0.78	0.0081	0.92	0.9602	0.78	0.1799	0.64	0.0069
	SER	Early phase	0.81	0.0018	0.89	0.0533	0.83	0.0373	0.75	0.4399
	SER	Late phase	0.76	0.0018	0.83	0.0533	0.76	0.0373	0.73	0.4399

AUC area under the curve, HR hormone receptor, HER2 human epidermal growth factor receptor 2, SER lesion-to-background parenchymal signal enhancement ratio.

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