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A, White light endoscopy showing a flat protruding lesion (arrows) in the transverse colon; B, Autofluorescence endoscopy showing a strong fluorescent signal along the lesion margins (arrows); C, Pigment scatter image (arrows); D, Narrow‐band imaging magnifying the lesion (arrows); E, Histopathology showing low‐grade dysplasia (HE stain, ×200); F, Immunohistology showing p53‐positive epithelial cells in the tubules (×200)
