(in Diehl et al). Two-dimensional cluster analysis of the same 15 B-cell lines, 9 T-cell lines, and 5 classical Hodgkin’s lymphoma cell lines using the same 46 highly B-cell and T-cell characteristic genes and the same as in Figure 1. In addition, 5 plasmacytoma cell lines were included to analyze their relation to classical Hodgkin lymphoma cell lines.