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TNM (2010) classification of early carcinomas—left) subclassification of early carcinomas pT1a and pT1b in m1–3 (blue) and right) sm1–3 (green), according to the Japanese classification. HG-IEN, high-grade intraepithelial neoplasia; Cis, carcinoma in situ; HGD, high-grade dysplasia
