1 Original article Primary debulking surgery for stage III epithelial ovarian cancer has better outcome than interval debulking surgery Badawy M Ahmed 1 , Anwar Tawfik Amin 1 , Salah Mabrouk 2 and Ahmed Refaat 2 , Sileem Ahmed Sileem 3 1- Surgical oncology department, South Egypt Cancer Institute; Assiut University. 2- Medical oncology department, South Egypt Cancer Institute; Assiut University. 3- Department of obstetrics and gynecology, Al-Alzhar university. Running title: Primary debulking versus interval debulking surgery Corresponding author: Anwar Tawfik Amin Department of Surgical Oncology, South Egypt Cancer Institute, Assiut University, Egypt. orcid.org/0000-0001-8270-2919 Email Adress:anwar71@aun.edu.eg Tel: +20-88242-1204, Fax: +20-88-234-86