The Prognostic Value of Lymph Node Cross-Sectional Cancer Area in Node-Positive Breast Cancer: A Comparison with N Stage and Lymph Node Ratio

Table 1

Characteristics of breast cancer patients.

Characteristics	No. of patients 𝑛 (%)
Total number	292
Mean age	59.0 ± 14.4
≤50	92
>50	200
N stage
N0	129 (50%)
N1	81 (32%)
N2	26 (10%)
N3	20 (8%)
T stage
T1	147 (51%)
T2	109 (38%)
T3	16 (6%)
T4	16 (5%)
Histologic grade
G1	35 (12%)
G2	147 (51%)
G3	109 (37%)
Hormonal status
ER+	220 (78%)
ER−	62 (22%)
ECE
Present	80 (63%)
Absent	47 (37%)
LNR (node-positive, 𝑛=127)
<10%	43 (34%)
10–65%	60 (47%)
>65%	24 (19%)
LN CSCA (node-positive, 𝑛=107)
<50 mm^2	47 (44%)
50–500 mm^2	44 (41%)
>500 mm^2	16 (15%)