NCIt definition : An invasive adenocarcinoma confined to the mucosa or mucosa and submucosa of the gastric
wall. The regional lymph nodes may or may not be involved. It usually occurs in the
lesser curvature. The 5-year survival rate following resection is between 80 percent
and 95 percent, and remains high even when lymph node metastases are present.;
https://www.has-sante.fr/portail/jcms/c_2853383/fr/traitement-endoscopique-par-dissection-sous-muqueuse-des-cancers-superficiels-de-l-estomac 2019 false false false France French health technology assessment stomach neoplasms Early Gastric Cancer gastroscopy treatment outcome gastroscopy patient participation practice guidelines as topic Gastric Submucosa comparative effectiveness research