Table 2.

Comparison of IHC and FISH results for detection of HER2

IHC scoring	Her-2 FISH amplified	Her-2 FISH non- amplified	Concordance by IHC	Discordance by IHC
2+ (n=45) 3+ (n=88)	14 74	31 14	14/45 (31.1%) 74/88 (84.1%)	31/45 (68.9%) 14/88 (15.9%)