Table 1. Counts of CTCs and CTECs of 56 enrolled patients.

Characteristics	Benign tumor group	Ovarian cancer group
CTC, circulating tumor cell; CTEC, circulating tumorigenic endothelial cell; N, total cell counts in all patients.
No. of CTC
N	221	210
Median (range)	4.0 (0, 26)	8.5 (0, 38)
No. of CTEC
N	169	180
Median (range)	2.0 (0, 24)	5.0 (0, 62)