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Table 1 Correlation of IHC and FISH

From: Combination of conventional immunohistochemistry and qRT-PCR to detect ALK rearrangement

   IHC   Total
++a +b -c
FISH+ 31(96.9%) 5(41.7%) 0(0%) 36
FISH- 1(3.1%) 7(58.3%) 242(100%) 250
Total 32 12 242 286
  1. astrongly positive ALK expression. b weakly positive ALK expression. cnegative ALK expression.