The study consists of one intervention, a clinician nudge to gynecologic oncology referral. Referral to gynecologic oncology is recommended when patients are diagnosed with a complex adnexal mass on imaging (i.e., Ovarian-Adnexal Reporting and Data System \[O-RADS\] 4 or 5 on ultrasound or Magnetic Resonance Imaging \[MRI\]). When patients are identified as having a complex adnexal mass, the order will be pended by the clinical research coordinator and sent to the ordering provider with a message to sign. The message will include content about national guidelines on referral to gynecologic oncology with opt-out framed language.