Any immunoreactivity for BAX was quantitatively detected in 181 (96.3%) tumour specimens: in 15 (8%) between 1 and 60% of cells, in 33 (17.6%) between 61 and 80%, in 39 (20.7%) between 81 and 99%, and in 94 (50%) in all positive stained cells. The gene discussed is BAX; the disease is neoplasm.