Table II.

Relationship between degree of malignancy (G1–G3), tumor size and lymph node status (pN) in IDC-NST

Tumor	G1	G2	G3	G1/2	G2/3	P-value	T1	T1a	T1b	T1c	T1d	T2	T3	T4	T4b	P-value
Invasive ductal carcinoma of no special type (IDC-NST):
N0	32	184	81	1	2	0.0103*	1	7	33	143	0	117	1	9	0	0.00295*
N1	3	47	38	1	1	0.1201	1	1	6	33	0	42	1	4	1	0.9211
N1A	8	22	7	0	1	0.0498*	0	0	5	18	0	16	0	1	0	0.9832
N1B	0	2	1	0	0	< 0.001*	0	0	0	5	0	0	0	0	0	< 0.001*
N2	1	17	17	0	0	0.2193	0	0	0	10	0	13	2	8	0	< 0.001*
N2A	2	12	8	0	1	0.5508	0	0	1	3	0	13	1	3	4	< 0.001*
N3	1	2	9	0	0	0.0027*	0	0	1	4	0	7	2	1	0	0.03123
N3A	0	10	6	0	1	0.2921	0	0	0	4	0	8	1	2	1	0.432
N4	0	2	1	0	0	< 0.001*	0	0	0	1	0	1	0	1	0	< 0.001*
Nx	5	76	29	0	1	0.3318	0	2	10	12	0	11	0	1	0	0.0447*

^*Statistically significant results (p ≤ 0.05).