Table 2 Comparison of the characteristics of patients treated with whole-breast irradiation alone, level I/II radiotherapy, and treated with nodal radiotherapy
From: Application of the ACOSOG Z0011 criteria to Chinese patients with breast cancer: a prospective study
Characteristics | Whole-breast alone (n=22) | Level I/II (n=23) | Nodal radiotherapy (n=54) |
|---|---|---|---|
Age, (median) years | 52.5 | 55 | 49.5 |
Pathological T stage, (cm, mean) | 1.51 | 1.78 | 1.89 |
Hormone status, no. (%) | |||
 Positive | 20 (90.91) | 20 (86.96) | 43 (79.63) |
 Negative | 2 (9.09) | 3 (13.04) | 11 (20.37) |
HER2 status, no. (%) | |||
 Negative | 20 (95.24) | 21 (91.30) | 42 (79.25) |
 Positive | 1 (4.76) | 2 (8.70) | 11 (20.75) |
 Unknown | 1 | 0 | 1 |
Lymphovascular invasion, no. (%) | |||
 Present | 4 (22.22) | 7 (43.75) | 14 (34.15) |
 Absent | 14 (77.78) | 9 (56.25) | 27 (65.85) |
 Missing | 4 | 7 | 13 |
Number of positive SLNs | |||
 One | 20 (90.91) | 20 (86.96) | 41 (75.93) |
 Two | 2 (9.09) | 3 (13.04) | 13 (24.07) |