With the help of slides the given video covers the brief topic of retroperitoneal sarcoma, its prominent features, common presentations, different types, investigations performed for diagnosis and for staging, classification, therapy of choice plus other opted therapies in different clinical scenarios and associated prognostic factors. Timeline: 0:00 – Features of retroperitoneal sarcoma 1:04 – Common presentations 1:54 – Overview of types of RP sarcoma 2:13 – Investigations 3:30 – Classification 4:08 – Therapy 6:18 – Prognostic factors 6:58 – Other modalities of treatment