SERPINB5 and neoplasm: In particular, it is of note that the largest tumor mass was seen in the absence of Maspin and Bax (mean value = 6.9 ± 1.02 cm); the Maspin expression (without a concomitant Bax expression) was associated with a smaller tumor mass (mean value = 5.36 ± 2.66 cm), while the simultaneous presence of Maspin and Bax reduced further the mean tumor mass to 4.1 ± 1.4 cm.