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。
出处
《中国继续医学教育》
2011年第12期11-22,共12页
China Continuing Medical Education
基金
supported by an unrestricted educational grant from the Olympus Medical Systems Corporation
