[Retracted] Clinicopathological Features of 166 Cases of Invasive Ductal Breast Carcinoma and Effect of Primary Tumor Location on Prognosis after Modified Radical Mastectomy

Table 1

Clinical pathological features of IDC.

Clinical pathological features		Cases (n = 166)	Outer upper quadrant (n = 94)	Outer lower quadrant (n = 17)	Central area (n = 15)	Inner upper quadrant (n = 32)	Inner lower quadrant (n = 8)	χ^2 value	P
Age (years)	<35	8	5	1	0	2	0	0.194	0.986
	≥35 and <50	72	39	7	7	13	6
	≥50	86	50	9	8	17	2
Menopause	No	89	50	10	8	17	4	0.983	0.979
	Yes	77	44	7	7	15	4
Tumor diameter (cm)	≤2	43	17	8	3	12	3	17.114	0.009
	>2且≤5	118	75	9	10	19	5
	>5	5	2	0	2	1	0
Histological grading	Type I	7	4	1	0	0	2	4.950	0.550
	Type II	95	58	7	9	18	3
	Type III	64	32	9	6	14	3
Molecular typing	Luminal A	24	13	3	3	4	1	2.103	0.607
	Luminal B	81	46	9	7	17	2
	Triple negative	41	23	5	5	5	3
	Her-2 (+)	20	12	0	0	6	2
Lymph node metastasis	No	97	52	10	9	20	6	3.560	0.101
	1∼3 nodes	41	23	3	5	8	2
	≥4 nodes	28	19	4	1	4	0
Vascular infiltration	No	162	93	16	14	31	8	2.679	0.444
	Yes	4	1	1	1	1	0
Radiation therapy	No	111	61	12	10	21	7	0.213	0.975
	Yes	55	33	5	5	11	1
Chemotherapy	No	26	14	4	2	6	0	0.515	0.798
	Yes	140	80	13	13	26	8
Hormone therapy	No	76	38	8	11	13	6	8.771	0.032
	Yes	90	56	9	4	19	2