Transaortic endoscopic ultrasound-guided fine-needle aspiration of a positron emission tomography-positive abdominal para-aortic lymph node

Endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA) is an important diagnostic tool for the evaluation of lesions affecting the gastrointestinal tract and adjacent organs [1]. Major vessels serve as procedural landmarks and provide an anechoic interface that allows the clear visualization of nodes/masses on the opposite side. Major vessels have for several decades been a target of interventional radiology; however, interposition of the...