Table 4.

Comparison of nodal morphological characteristics and histopathologic findings in 62 lymph nodes ≥ 5 mm

	Histopathologic findings
Morphological characteristics	ypLN- (n = 33)	ypLN+ (n = 29)	P value
Shape			0.445 a
Oval	7 (21.2%)	4 (13.8%)
Round	26 (78.8%)	25 (86.2%)
Border			0.231 a
Smooth	23 (69.7%)	24 (82.8%)
Irregular	10 (30.3%)	5 (17.2%)
Signal homogeneity			0.513 a
Homogeneous	22 (66.7%)	17 (58.6%)
Heterogeneous	11 (33.3%)	12 (41.4%)
Enhancement homogeneity			0.445 a
Homogeneous	7 (21.2%)	4 (13.8%)
Heterogeneous	26 (78.8%)	25 (86.2%)

LNs, lymph nodes; yp, post-neoadjuvant treatment pathological feature

^aχ² test