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The distribution of molecular subtypes among “pure” DCIS and DCIS with an invasive component, according to the IHC surrogate markers, calculated and classified in the manner of 2013 St. Gallen recommendations
| Subtypes | Luminal A | Luminal B HER2-negative | Luminal B HER2-positive | HER2-enriched | TPN | |
|---|---|---|---|---|---|---|
| n = 357 (100%) | n = 127 | n = 53 | n = 79 | n = 78 | n = 20 | |
| Percentage of all | 35.6 | 14.8 | 22.1 | 21.8 | 5.6 | 100 |
| Percentage of “pure” DCIS | 87 | 90 | 89 | 77 | 90 | 86 |
| Percentage of DCIS w/invasion | 13 | 10 | 11 | 23 | 10 | 14 |
