Fig. 2From: Inconsistent results in the analysis of ALK rearrangements in non-small cell lung cancerVenn diagram of ALK positivity based on different analyses. a Immunohistochemical positivity was compared between the Ventana IHC and Dako protocol. b Samples with positive FISH were compared to samples with positive Ventana protein expression. c Samples with positive FISH were compared to samples with positive protein expression when using the Dako protocol. d Samples with positive FISH, Ventana IHC, in house Dako IHC or Affymetrix gene expression were compared to each otherBack to article page