Table 4.
Patterns of IMN failure among 217 IMN-involved patients
| Recurrence in IMN/Total |
Total | p-value | ||
|---|---|---|---|---|
| IMN RT (+) | IMN RT (–) | |||
| CR to NSTa) | 3/109 (2.8) | 3/23 (13.0) | 6/132 (4.5) | 0.065 |
| Non-CR to NSTa) | 4/60 (6.7) | 0/6 (0) | 4/66 (6.1) | > 0.990 |
| CR to NSTb) | 3/107 (2.8) | 3/23 (13.0) | 6/130 (4.6) | 0.068 |
| Non-CR to NSTb) | 4/48 (8.3) | 0/6 (0) | 4/54 (7.4) | > 0.990 |
| Total | 7/185 (3.8) | 3/32 (9.4) | 10/217 (4.6) | 0.169 |
Values are presented as number (%). IMN, internal mammary lymph node; RT, radiotherapy; CR, complete remission; NST, neoadjuvant systemic therapy.
a)
19 patients, whose response to NST was unavailable, were excluded,
b)
33 patients, whose response to NST was unavailable and who underwent IMN excision, were excluded.