Benign and malignant periesophageal lymph nodes

Endoscopic ultrasound images showing a benign (left panel) and malignant (right panel) appearing periesophageal lymph node in a patient with histologically proven esophageal adenocarcinoma. Characteristics of the benign lymph node are its mixed echogenicity, irregular border, elongated shape, and <10 mm width. In contrast, the malignant lymph node is echopoor, has a smooth border, has a round shape, and is >10 mm in width.