Table 1.

Characteristics of the tumors used to develop the CD10⁺ stroma signature

	Patients, % (n) (N = 28)
Age, y
≤50	7 (25)
>50	21 (75)
Tumor size, cm
≤2	11 (39)
>2	16 (57)
Missing	1 (4)
Nodal status
N0	14 (50)
N1–N3	14 (50)
Histologic grade
G1	3 (11)
G2	11 (39)
G3	14 (50)
ER status
Negative	4 (14)
Positive	24 (86)
Progesterone receptor status
Negative	12 (43)
Positive	16 (57)
HER2 status
Negative (IHC 1+ or 2+ or not amplified by FISH)	26 (93)
Positive (3+ or amplified)	2 (7)

Abbreviation: IHC, immunohistochemistry.