Table 4.

Association between nodal disease burden on pathology and MRI findings in clinically node negative and clinically node positive patients.

	0 Positive nodes	1–3 Positive nodes	≥4 Positive nodes	P-Value
Clinically node negative				0.38
Normal post-treatment breast MRI (N = 35)	23 (65.7%)b	9 (25.7%)	3 (8.6%)
Abnormal post-treatment breast MRI (N = 14)a	9 (64.3%)	2 (14.3%)	3 (21.4%)
Clinically node positive				0.034
Normal post-treatment breast MRI (N = 12)	1 (8.3%)	9 (75.0%)	2 (16.7%)
Abnormal post-treatment breast MRI (N = 18)	2 (11.1%)	5 (27.8%)	11 (61.1%)

^aAbnormal post-treatment MRI defined as any abnormal finding on post-treatment MRI, including cortical thickening ≥3 mm, rounded morphology, loss of fatty hilum, and/or asymmetry.

²Values reported as N (%) unless otherwise stated.