Table 5 Ipsilateral DCIS recurrence and subsequent invasive carcinoma by primary DCIS disease.
Primary lesion | Low | Intermediate | High | Unknown | Total | p value | ||||
|---|---|---|---|---|---|---|---|---|---|---|
Recurrent DCIS grade | ||||||||||
High-grade DCIS | 1 | 1% | 16 | 11% | 109 | 73% | 24 | 16% | 150 | <0.001 |
Intermediate-grade DCIS | 2 | 3% | 20 | 34% | 22 | 37% | 15 | 25% | 59 | |
Low-grade DCIS | 3 | 19% | 3 | 19% | 2 | 13% | 8 | 50% | 16 | |
Total | 6 | 3% | 39 | 17% | 133 | 59% | 47 | 21% | 225 | |
Subsequent invasive grade | ||||||||||
High-grade DCIS | 17 | 8% | 83 | 39% | 79 | 37% | 36 | 17% | 215 | 0.08 |
Intermediate-grade DCIS | 16 | 11% | 78 | 53% | 35 | 24% | 18 | 12% | 147 | |
Low-grade DCIS | 6 | 12% | 28 | 57% | 6 | 12% | 9 | 18% | 49 | |
DCIS unknown grade | 0 | 0% | 1 | 50% | 1 | 50% | 0 | 0% | 2 | |
Total | 39 | 9% | 190 | 46% | 121 | 29% | 63 | 15% | 413 | |
