Figure 1From: Preoperative chemoradiotherapy in rectal cancer induces changes in the expression of nuclear β-catenin: prognostic significance Tumour cells showing different staining percentages for nuclear betacatenin. (A): Rectal cancer specimen showing absence of nuclear staining. (B): low expression (less than 25% of cells). (C): moderate expression (between 25% and 75% of cells). (D): High expression (more than 75% of cells).Back to article page