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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Thorac Oncol. 2010 Oct;5(10):1551–1558. doi: 10.1097/JTO.0b013e3181e9da60

Table 3.

IHC for E746-A750 and L858R (N=70)

DNA sequencing for exon 19
E746-A750 Other deletions Wt
IHC Positive 9 0 0 9
exon 19 Negative 2 7 52 61
11 7 52 70
DNA sequencing for exon 21
L858R* Wt
IHC Positive 9 2 11
exon 21 Negative 3 56 59
12 58 70
*

L858R = 2573 T>G, and 2573 T>K (K = G or T)