Table 3 Amount of residual tumor in relation to initial margin status
From: Histological margin assessment for breast ductal carcinoma in situ: precision and implications
Margin status | Amount of residual tumor | |||||||
|---|---|---|---|---|---|---|---|---|
None | Small a | Large b | Total | |||||
n | (%) | n | (%) | N | (%) | n | (%) | |
Close >1 mm margin width | 5 | (56) | 1 | (11) | 3 | (33) | 9c | (100) |
Close ≤1 mm margin width | 12 | (55) | 6 | (27) | 4 | (18) | 22c | (100) |
Positive <1 mm focal involvement | 3 | (33) | 5 | (56) | 1 | (11) | 9c | (100) |
Positive ≥1<15 mm minimal involvement | 9 | (30) | 9 | (30) | 12 | (40) | 30c | (100) |
Positive ≥15 mm extensive involvement | 1 | (6) | 6 | (33) | 11 | (61) | 18c | (100) |
