Figure 2From: Extraordinary response to crizotinib in a woman with squamous cell lung cancer after two courses of failed chemotherapy Right cervical lymph node analysis. H & E staining (A and B). IHC staining of CK5/6 (C), P63 (D), and ALK (1A4) (E). ALK gene translocation (FISH, arrows: split-apart signals for ALK gene translocation) (F).Back to article page