Table 1. Preoperative biomarkers, including the definitions used in the included studies for negative and positive test results.

^aFor lymphadenopathy on imaging, a short axis lymph node diameter of 1.0 cm was set as cutoff value.

Abbreviations: ¹⁸FDG PET‐CT, ¹⁸F‐fluorodeoxyglucose positron emission tomography/computed tomography; BMI, body mass index; Ca‐125, cancer antigen 125; CT, computed tomography; MRI, magnetic resonance imaging.