Relationship between Upper Extremity Lymphatic Drainage and Sentinel Lymph Nodes in Patients with Breast Cancer

Table 3

Characteristics of patients with and without positive metastatic ARM nodes.

	Metastatic ARM nodes (n=7)	Non-metastatic ARM nodes (n=37)
Median age (range), years	51 (29–74)	58 (44–76)
T
≤2 cm	5	20
2–5 cm	2	16
≥5 cm	0	1
N
pN0	0	19
pN1	2	11
pN2	3	4
pN3	2	3
Luminal type
A	1	9
B	6	16
HER2-positive	0	2
Triple-negative	0	10

ARM, axillary reverse mapping