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. 2023 Jul 15;201(2):329–338. doi: 10.1007/s10549-023-07016-9

Table 5.

The molecular subtypes of 51 cases with an invasive carcinoma component, according the IHC surrogate markers, calculated and classified in the manner of 2011 St. Gallen recommendations

Subtypes Luminal A Luminal B HER2-negative Luminal B HER2-positive HER2-enriched TPN
Sum of all
n = 51
n = 15 n = 7 n = 9 n = 18 n = 2
Percentage of all 29% 14% 18% 35% 4.0%
pT
 pTmic 5 (33%) 3 (33%) 7 (44%) 1 (50%)
 pT1a 2 (13%) 3 (43%) 4 (45%) 10 (44%) 1 (50%)
 pT1b 8 (54%) 4 (57%) 2 (22%) 1 (12%)