Table 6.

Level III lymph node involvement and various pathological markers with tumor grade

PNI	Level III ALN
	Total	Positive	Negative
Positive	25	23 (92%)	2 (8%)
Negative	45	24 (53.3%)	21 (46.7%)
LVI	Level III ALN
	Total	Positive	Negative
Positive	45	40 (88.9%)	5 (11.1%)
Negative	25	7 (28%)	18 (72%)
ECE	Level III ALN
	Total	Positive	Negative
Positive	24	21 (87.5%)	3 (12.5%)
Negative	46	26 (56.5%)	20 (43.5%)
HER2	Level III ALN
	Total	Positive	Total
Positive	25	Positive	25
Negative	45	Negative	45
ER	Level III ALN
	Total	Positive	Negative
Positive	43	29 (67.4%)	14 (32.6%)
Negative	27	18 (66.7%)	9 (33.3%)
PR	Level III ALN
	Total	Positive	Negative
Positive	25	21 (84%)	4 (16%)
Negative	45	26 (57.8%)	19 (42.2%)
Tumor grade	Level III ALN
	Total	Positive	Total
Grade 1 or 2	45	Grade 1 or 2	45
Grade 3	25	Grade 3	25