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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: J Am Coll Surg. 2015 Dec 21;222(4):493–503. doi: 10.1016/j.jamcollsurg.2015.12.012

Figure 2.

Figure 2

Unsupervised hierarchical clustering discerns prognostic tumor subtypes. (A) Heatmap of clustered gene expression patterns (rows) and tumor expression profiles (columns) is shown. Red indicates above-mean expression; green indicates below-mean expression. Degree of color saturation reflects the magnitude of gene expression. (B, C) Kaplan-Meier survival curves corresponding by color to the tumor branches designated in (A) are shown for (B) disease-specific survival and (C) progression-free survival.