Presentation
Palpable mass in the left upper abdomen.
Patient Data
Age: 70 years
Gender: Male
From the case:
Retroperitoneal liposarcoma
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C+ portal venous phase

Left retroperitoneal mass with fatty and solid soft-tissue constituents.
Case Discussion
Liposarcoma is one of the most common extra-renal malignancies in the retroperitoneum in adults.