Table 2: Surgical procedures performed in the 2 groups.

PatientsControls

Surgical procedures
 Complete omentectomy25*
 Hepatic round ligament resection25*
 Left hemicolectomy1329
 Appendectomy10*
 Right hemicolectomy915
 Bilateral adnexectomy 6* 1°§
 Transverse colon resection36
 Cholecystectomy2§2§
 Abdominal wall resection
 Small bowel resection
 Right adnexectomy1*
 Hysterectomy1§
 Total, mean per patient99–3.961–1.2

*Procedures performed according to the study protocol.
°Procedures performed for the tumor direct invasion.
§Procedures performed for the coexisting benign disease.