Objective: To describe conservative management for accessory and cavitated uterine mass (ACUM) with norethindrone acetate. The patient gave signed written. informed consent authorizing publication. Design: We present a case report of a patient with ACUM who desired delay in surgical management. https://www.roneverhart.com/HP-Pavilion-15-eg2373cl-15-6-FHD-Touch-Laptop-Intel-Core-i7-1255U-3-50-GHz-GeForce-MX550-16GB-DDR4-512GB-SSD-Windows--p8309/