Fig. 3
From: Aberrant expression of ALK and EZH2 in Merkel cell carcinoma
ALK Immunohistochemistry in MCC tumor samples. a: negative ALK IHC (Clone 5A4) in MCC tumor sample (Sample N18, 200× magnification). b: positive ALK IHC (Clone 5A4) in MCC tumor sample (Sample N10, 200× magnification). c: negative ALK IHC (clone D5F3) in MCC tumor sample (Sample N29, 200× magnification). d: positive ALK IHC (Clone D5F3) in MCC tumor sample (Sample N10, 200× magnification)