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Table 3 Comparison of the results obtained with ALK ICC analysis using the semiquantified interpretation system and ALK PCR/FISH analysis

From: Application of Ventana immunocytochemical analysis on ThinPrep cytology slides for detection of ALK rearrangement in patients with advanced non–small-cell lung cancer

ALK ICC result

ALK PCR/FISH result

Total

Positive

Negative

Positive

15

1

16

Negative

1

32

33

Total

16

33

49

  1. Abbreviations: ALK anaplastic lymphoma kinase, FISH fluorescence in situ hybridization, ICC immunocytochemistry, IHC immunohistochemistry, RT-PCR reverse-transcription polymerase chain reaction