Guarniz Poma, G.A., Gutiérrez-Verde , D.E., Gutiérrez-Valverde , R.A. and Díaz-Plasencia, J.A. 2023. Giant well-differentiated retroperitoneal liposarcoma, report of a case. ACTA MEDICA PERUANA. 40, 2 (Jul. 2023). DOI:https://doi.org/10.35663/amp.2023.402.2327.