Intra and extra pelvic multidisciplinary surgical approach of retroperitoneal sarcoma: Case series report

Figure 1 Intra and extra pelvic multidisciplinary surgical approach. A: Incision of intra and extra pelvic approach (midline incision + ilioinguinal approach); B: Intra pelvic approach; C: Extrapelvic approach. *: Medial part of the sarcoma mass, soft tissue of the obturator internus; †: Lateral part of the sarcoma mass, from the ilium and ischium; EIA: External iliac artery.