Inclusion Criteria:  presence of a pelvic mass > 3 cm with transvaginal ultrasound or magnetic resonance imaging indication abscess cervical and uterine tenderness abdominal rebound-defense under physical examination indication peritoneal irritation presence of symptoms such as fever, pelvic pain and increase in laboratory infection parameters  Exclusion Criteria:  Patients with known malignities Patients with incomplete data in the clinic's electronic database Patients who continued their treatment at other centers