Case Reports in Gastrointestinal Medicine / 2016 / Article / Fig 4

Case Report

Endoscopic Observation of the Growth Process of a Right-Side Sessile Serrated Adenoma/Polyp with Cytological Dysplasia to an Invasive Submucosal Adenocarcinoma

Figure 4

(a) Pathological findings of the resected lesion (approximately 40 mm in diameter). Hematoxylin-eosin staining of the sections of the resected specimen revealed a moderately differentiated adenocarcinoma that extended into the submucosal layer to a depth of 2700 μm with mucin pools and lymphatic infiltrations (green line in Figure 3, ×4). (b) A magnified view of the most aggressive deep infiltration site of submucosal invasion (yellow box in (a), ×40).
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