摘要: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.
单位:
注:因版权方要求,不能公开全文,如需全文,请咨询杂志社