Table 4 EGFR expression as assessed by IHC

From: Comparison of EGFR and K-RAS gene status between primary tumours and corresponding metastases in NSCLC

 

Primary tumour status/metastasis status

 
 

+ve/+ve

−ve/−ve

+ve/−ve

−ve/+ve

Discordance

EGFR

4 (21.1%)

13 (68.4%)

1 (5.3%)

1 (5.3%)

2/19 (10.6%)

p-EGFR (Y1173)

1 (6.2%)

7 (43.8%)

2 (12.5%)

6 (37.5%)

8/16 (50%)

  1. IHC=immunohistochemistry.
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