Endoscopic ultrasound in oncology: An update of clinical applications in the gastrointestinal tract

Figure 1 Esophageal carcinoma staging by endoscopic ultrasound T2 N1. The tumor is being measure (13.3 mm × 20.2 mm). It invades up to the muscularis propria (white arrow). A round, sharply demarcated and hypoechoic lymph node can be seen next to the tumor. EUS images were obtained using a Hitachi-Avius console with a radial scope EG-3630URK (from Pentax Medical). EUS: Endoscopic ultrasound.