EGFR and leukemia: Cluster 1 included the terms “bladder”, “carcinoma”, “leukemia”, and “virus”; Cluster 2 incorporated the terms “FoxO”, “glioma”, “melanoma”, and “prostate”; Cluster 3 involved the terms “apoptosis”, “bacterial”, “drug”, and “cells”; Cluster 4 was comprised of the terms “EGFR”, “focal”, “adhesion”, and “inhibitor”; and Cluster 5 integrated the terms “breast”, “endocrine”, “MicroRNA”, and “hormone” (Figure 3B).