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Background and Study Aims:Neoplastic lesions in the digestive-tract mucosa are termed “superficial” when the depth of invasion is limited to the mucosa and submucosa.The endoscopic appearance has a predictive value for invasion into the submucosa,which is critical for the risk of nodal metastases.
Background and Study Aims: Neoplastic lesions in the digestive-tract mucosa are termed “superficial” when the depth of invasion is limited to the mucosa and submucosa. Endoscopic appearance has a predictive value for invasion into the submucosa, which is critical for the risk of nodal metastases.