Two Cases of Retroperitoneal Liposarcoma Diagnosed Using Endoscopic Ultrasound-Guided Fine-Needle Aspiration (EUS-FNA)

<table>EUS showed that the internal echo was homogeneously hyperechoic and the hypoechoic septum (arrows) was also apparent. Subsequently EUS-FNA was performed using a transrectal approach.</table>

Diagnostic and Therapeutic Endoscopy

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Figure 5

Figure 5: Two Cases of Retroperitoneal Liposarcoma Diagnosed Using Endoscopic Ultrasound-Guided Fine-Needle Aspiration (EUS-FNA) 