Yadav, K., Al Askari, M. R., & George, B. T. (2026). Massive Lower Gastrointestinal Bleeding Due to Dedifferentiated Retroperitoneal Liposarcoma Mimicking a Renal Cell Carcinoma: A Case Report. Oman Medical Journal. https://omanscience.com/ar/articles/massive-lower-gastrointestinal-bleeding-due-to-dedifferentiated-retroperitoneal-liposarcoma-mimicking-a-renal-cell-carcinoma-a-case-report