Figure 1From: Overexpression of miR-21-5p as a predictive marker for complete tumor regression to neoadjuvant chemoradiotherapy in rectal cancer patients Patients’ clustering based on the expression of 4 differently expressed miRNAs. A) Hierarchical clustering heatmap for incomplete (I) and complete responders (C). B) PCA was conducted for 27 samples and 4 variables (differently expressed miRNAs). Blue dots: complete responders; red dots: incomplete responders.Back to article page