Table 2.

Tumour characteristics in the 1st line endocrine setting (n = 16)

Variable	n = 16 (%)
Histological grade (Stanford)
Low	8 (50%)
High	8 (50%)
Histological grade (FNCLCC)
Low	7 (44%)
Intermediate	3 (19%)
High	6 (37%)
Hormone receptor status
ER
Moderate to strong (grade 2–3)	13 (81%)
Weak (grade 1)	3 (19%)
PgR
Moderate to strong (grade 2–3)	10 (62.5%)
Weak (grade 1)	6 (37.5%)
ER and PgR
Moderate to strong (grade 2–3)	10 (62.5%)
Weak (grade 1)	2 (12.5%)
% ER staining
>90%	10 (62.5%)
>50%	14 (87.5%)
10-50%	1 (6.25%)
Unknown	1 (6.25%)
% PgR staining
>90%	6 (37.5%)
>50%	11 (68.75%)
10-50%	1 (6.25%)
0%	2 (12.5%)
unknown	2 (12.5%)

ER, oestrogen receptor; PgR, progesterone receptor.