Novel image-enhanced endoscopy with i-scan technology

Figure 6 Case 1 (esophageal cancer). A: Conventional image: A slightly reddish irregular area was recognized in the right wall of the thoracic middle esophagus; B: SE + CE image: As compared with conventional image, the lesion could be recognized as an irregular area with clear boundaries; C and D: TE-e image: As compared with conventional image and SE + CE image, the demarcation line of the lesion could be recognized more clearly as a reddish irregular area. This was pathologically diagnosed as carcinoma in situ that corresponded to this region.