Additionally, Bax (IRS scale, r = 0.5, and Allred score, r = 0.6; P<0.05) and Bad (luminal %, r = 0.5, P = 0.06) expression in luminal cells, indicative of a slight increase of apoptosis, positively correlated with percentage of tumor necrosis. The gene discussed is BAX; the disease is neoplasm.