Table 5.

Distribution of HER2 and EGFR biomarker results

HER2 IHC score, n (%)	(n = 50)
0	2 (4)
1+	2 (4)
2+	16 (32)
3+	30 (60)
FISH HER2 amplification, n (%)	(n = 47)
Positive (≥ 2.0)	43 (91)
Borderline (1.8 to < 2.0)	0
Negative (< 1.8)	4 (9)
EGFR IHC score, n (%)	(n = 49)
0	34 (69)
1+	4 (8)
2+	10 (20)
3+	1 (2)

HER2 eligibility was determined at the local laboratory. One subject was non-evaluable for HER2 and EGFR

HER2 human epidermal growth factor receptor 2, IHC immunohistochemistry, FISH fluorescence in situ hybridization, EGFR epidermal growth factor receptor