Review ArticleRETROPERITONEAL SARCOMAMajeed H AlwanMBChB, FRCSEd, FRACS, FACS, Gastrointestinal and General Surgeon, Tauranga Hospital, Tauranga,New Zealand. E-mail: majeedalwan@xtra.co.nzAbstractRetroperitoneal sarcoma (RPS) is a rare tumour. Its management is challenging because ofoften late presentation when the tumour attain a significant size, and its close relationship toseveral vital organs and structures in the retroperitoneum. Although surgery remains the mainhope in controlling the disease, the use of neoadjuvant or adjuvant radiotherapy and/orchemotherapy remains controversial. Local recurrence is high and there are reports ofsuccessful second and third resections after recurrence.In this report the author reports two cases recently he had managed and presents the uniqueCT scan findings of the first case. This is followed by a brief review of the important mattersrelated to this tumour.