Exploration of preventive treatment for high risk patients with metachronous multiple esophageal squamous cell carcinoma: A case report

Figure 1 Imaging examinations. A: Gastroscopy showing a slightly elevated reddish area; B: Narrow band imaging (NBI) magnifying gastroscopy findings; C: More than 10 Lesions were found per endoscopic view and defined as grade C; D: Biopsy pathology findings; E: Computed tomography in the venous phase; F: Computed tomography in the arterial phase; G: Postoperative pathological results; H: Endoscopic submucosal dissection (ESD) scar under the white light; I: ESD scar under NBI; J: Titanium clips were used for accurate marking on oral and anal sides for multiple Lugol-voiding lesions (LVL) ranges; K: Clinical target volume; L: Multiple LVL disappeared.