Intercostobrachial Nerves as a Novel Anatomic Landmark for Dividing the Axillary Space in Lymph Node Dissection

Table 1

Characteristics of patients with breast cancer (𝑛=72).

Parameters	Number	Percent
Age (years)
Median	49
Range	(33–72)
Tumor size (cm)
Median	1.9
Range	(0.9–5.5)
Quadrant
Areolar	2	2.8
Outer upper	37	51.4
Outer lower	15	20.8
Inner lower	7	9.7
Inner upper	11	15.3
Operation
Mastectomy	61	84.7
Tumorectomy	11	15.3
Axillary assessment
Positive	29	40.3
Negative	43	59.7
Histological grading
G1	17	23.6
G2	45	62.5
G3	10	13.9
Estrogen receptor status
Positive	37	51.4
Negative	35	48.6
Progesteron receptor status
Positive	31	43.1
Negative	41	56.9
Her2 receptor status
Positive	28	38.9
Negative	44	61.1