Fig. 2From: A rare case of esophageal metastasis from signet-ring cell carcinoma of the cecumUpper gastrointestinal endoscopic findings. a, b Conventional endoscopic views showing multiple longitudinal submucosal tumors with erosions on their surfaces in the middle to lower esophagus (arrowheads). c Conventional endoscopic view of an esophageal tumor. d Narrow-band imaging endoscopic view of the esophageal tumor shown in Panel cBack to article page