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Table 2 Correlation between HER2 overexpression and gene amplification in GC and GEJ adenocarcinoma

From: HER2 expression and relevant clinicopathological features in gastric and gastroesophageal junction adenocarcinoma in a Chinese population

FISH

 

IHC

 

Total

 

3+

2+

1+/0

Amplification

39 (97.5%)

11 (28.9%)

 3 (1.3%)

53

No amplification

 1(2.5%)

27 (71.1%)

227 (98.7%)

255

Total

40

38

230

308