Analysis of potential risk factors in the survival of patients with primary retroperitoneal liposarcoma Alessandro Bianchi; Alberto Pagan-Pomar; Rafael Ramos-Asensio; Pablo Luna-Fra; Marina Jiménez-Segovia; Natalia Pujol-Cano; Aina Ochogavia-Seguí; José Antonio Martínez-Corcoles; Francesc Xavier González-Argenté;

Prognosis and survival of patients diagnosed with well-differentiated and dedifferentiated retroperitoneal liposarcoma Julio Osuna-Soto; Teresa Caro Cuenca; Alicia Sanz-Zorrilla; Antonio Torrecilla-Martínez; Rosa Ortega Salas; Fernando Leiva-Cepas;

Surgical treatment of vena cava leiomyosarcomas: Series of cases in a referral center and literature review José Manuel Pérez-de-Villar; Alvaro Arjona-Sanchez; Blanca Rufián-Andujar; Francisca Valenzuela-Molina; Juan Manuel Sánchez-Hidalgo; Lidia Rodriguez-Ortiz; Angela Casado-Adam; Cristina Viyuela-García; Sebastián Rufián-Peña; Teresa Caro-Cuenca; Alberto Moreno-Vega; Javier Briceño-Delgado;