Tehran University of Medical Sciences (TUMS) Academic Journal of Surgery 2423-3218 8 1 2025 04 25 37 38 fereshte kamani General Surgeon, Department Of Surgery, Shahid Beheshti University of Medical Sciences, Velenjak Street, Tehran, Iran Hamidreza Movahedi student research center, Iran University of Medical Science, Tehran, Iran farzad dehghani MD, Department of General Surgery, School of Medicine Ayatollah Taleghani Hospital Shahid Beheshti U saina ghadiany MD, Department of Medicine, School of Medicine Shahid Beheshti University 2025 01 14 This case report describes the recurrence of sarcoma in a 57-year-old female with no significant medical history. Following initial surgical excision two years prior, a large mass reappeared in the left flank and was subsequently removed completely. This case highlights the challenges associated with managing recurrent sarcomas and underscores the importance of ongoing surveillance. https://ajs.tums.ac.ir/index.php/ajs/article/view/293