Three-group marker analysis in Ig-mutated, unmutated, and V_H3-21⁺B-CLL. Results from the 3-group marker gene analysis, where the 50 genes best-correlated with either (A) Ig-mutated, (B) Ig unmutated, or (C) V_H3-21⁺ B-CLL were identified. Gene lists are included in the Supplementary Materials.