Table 2. FGF and FGFR amplifications identified in 112 patients with metastatic breast cancer.

Gene	# of patients with amplification (% of all patients)
FGFR1	8 (7%)
FGFR2	3 (3%)
FGFR3	1 (<1%)
FGF3	10 (9%)
FGF4	10 (9%)
FGF6	2 (2%)
FGF10	1 (<1%)
FGF14	1 (<1%)
FGF19	10 (9%)
FGF23	3 (3%)