Fig. 8From: 3D chick embryo chorioallantoic membrane model as an in vivo model to study morphological and histopathological features of feline fibrosarcomasPCNA expression in feline fibrosarcomas from FFS1 (a) and FFS3 (b) cell line. a and b Positive nuclear PCNA expression. IHC, magnification 100× (400× insert)Back to article page