This study will elucidate the role of 3D transvaginal ultrasound in assessing (1) cervical vascularity and blood flow in patients with cervical cancer and cervical intraepithelial neoplasm, and (2) tumor vascularity and blood flow in patients with ovarian cancer.
Adult women who have had a normal cervical smear within the past three years and have no other gynecological cancers (control group).
Adult women with cervical cancer or precancerous lesions.
Adult women suspected of having ovarian cancer, fallopian tube cancer, or peritoneal cancer before surgery.
Patients who cannot cooperate with vaginal or abdominal 3D ultrasound scans.