Table 2 Percentage of breast cancer deaths by LNR and pN stage for varying total numbers of nodes removed
pN stage | Nodes removed | Number of deaths/total (%) for LNR | |||
|---|---|---|---|---|---|
Low-risk | Intermediate-risk | High-risk | All | ||
(≤0.20) | (>0.20 & ≤0.65) | (>0.65) | |||
Nodes removed ≤ 10 and > 10 | |||||
pN1 (1–3) | ≤10 | 5/30 (16.7) | 7/17 (41.2) | * | 12/47 (25.5) |
>10 | 30/152 (19.7) | 5/11 (45.5) | * | 35/163 (21.5) | |
pN2 (4–9) | ≤ 10 | * | 2/9 (22.2) | 3/7 (42.9) | 5/16 (31.3) |
> 10 | 2/5 (40.0) | 24/49 (49.0) | 2/4 (50.0) | 28/58 (48.3) | |
pN3 (≥10) | ≤10 | * | * | * | * |
>10 | * | 8/13 (61.5) | 18/28 (64.3) | 26/41 (63.4) | |
Nodes removed ≤ 15 and > 15 | |||||
pN1 (1–3) | ≤15 | 21/94 (22.3) | 12/28 (42.9) | * | 33/122 (27.0) |
>15 | 14/88 (15.9) | * | * | 14/88 (15.9) | |
pN2 (4–9) | ≤ 15 | * | 15/33 (45.5) | 5/11 (45.5) | 20/44 (45.5) |
> 15 | 2/5 (40.0) | 11/25 (44.0) | * | 13/30 (43.3) | |
pN3 (≥10) | ≤15 | * | * | 5/10 (50.0) | 5/10 (50.0) |
>15 | * | 8/13 (61.5) | 13/18 (72.2) | 21/31 (67.7) | |