This session delves into endoscopy, specifically using a seven 60 series Zoom endoscope. An elderly gentleman's distal esophagus is examined, revealing a lesion with spontaneous bleeding. The importance of cross-sectional imaging is highlighted for assessing metastatic status. Techniques like water jet use and image improvement methods are discussed. The session concludes with a decision to resect the lesion using ESD, ensuring proper excision depth.