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Table 4 Correlation of the two scoring systems for ALK ICC 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

Binary scoring algorithm interpretation

Semiquantified interpretation score

Total

Negative

Positive

0

1+

2+

3+

Positive

0

0

3

9

12

Negative

95

10

4

0

109

Total

95

10

7

9

121

  1. Abbreviations: ALK anaplastic lymphoma kinase, ICC immunocytochemistry