Fig. 1From: Endoscopic features and associated histology of an basaloid squamous cell carcinoma of the esophagus at the very early stageEndoscopic features of superficial basaloid squamous cell carcinoma in the middle esophagus. a and b White-light endoscopy showing a slight elevated lesion of 5 mm in diameter with some scattered leukoplakia in the surface and disappeared vascular branch network in the lesion. c NBI showing an indistinct brownish area. d and e Magnifying view of ME-NBI showing intrapapillary capillary loops with small-sized avascular area in the lesion. f A less-stained lesion under iodine stainingBack to article page