2nd May 2024

A 56-year-old woman, postmenopausal, presents with abdominal distension and discomfort.

A 56-year-old woman, postmenopausal, presents with abdominal distension and discomfort. An abdominal ultrasound reveals a 10 cm left ovarian mass. CT scan confirms the mass with no evidence of metastasis. CA-125 level is elevated. She undergoes a laparotomy, and intraoperative histology confirms high-grade serous ovarian carcinoma. The surgical team achieves optimal cytoreduction with <1 cm residual disease.

What is the most appropriate next step in management for this patient?