Fig. 1
From: Frequencies of ALK rearrangements in lung adenocarcinoma subtypes: a study of 2299 Chinese cases
Detection of ALK rearrangements in lung adenocarcinoma patient (case No.253) by immunohistochemistry (IHC). a Solid predominant subtype of lung adenocarcinoma was shown by HE staining. Original magnification ×200. b Ventana IHC assay revealed strong expression of ALK in the patient. Original magnification ×200. c IHC result showed TTF-1 positive in the patient. Original magnification ×100