Primary diaphragmatic closure following diaphragmatic resection and cardiophrenic lymph node dissection during interval debulking surgery for advanced ovarian malignancy

•Gaining trans-diaphragmatic access to thoracic cavity during de-bulking laparotomy.•Assessment and dissection of bulky cardiophrenic lymph nodes to achieve optimal cytoreduction.•Technique for primary closure of diaphragm following radical resection.