Table 1.

CASZ1 expression in primary and metastatic tumors from 20 epithelial ovarian cancer patients as determined using immunohistochemistry staining

	Primary tumor	Metastatic tumor
High CASZ1 expression	1	10
Low CASZ1 expression	19	10
P = 0.0014 by chi-square

High CASZ1 expression was defined as 50% CASZ1-positive neoplastic cells, and low CASZ1 expression was defined as less than 50% CASZ1-positive neoplastic cells.