Fig. 3From: Esophageal metastasis of renal cell carcinoma resected by endoscopic submucosal dissection: a case reportA The lesion further increased in size and was found to have become nodular during the present observation. B Magnifying narrow band imaging endoscopy revealed a dark-green tumor, but no intraepithelial papillary capillary loop abnormality was detectedBack to article page