Gastric endoscopic submucosal dissection as a treatment for early neoplasia and for accurate staging of early cancers in a United Kingdom Caucasian population

Table 5 Histological grade of 5 non- curative resection

Patient	Histological grade at baseline	Histopathologic diagnosis on ESD specimen of non-CR
A	IMC	IMC with lympho-vascular invasion
A	IMC	Invasive adenocarcinoma; Lympho-vascular invasion
B	IMC	Invasive adenocarcinoma; Poorly differentiated; Diffuse (signet ring) type; Tumour extends into submucosa; Further de-differentiation noted at the invasive aspect
C	Highly suspicious of IMC	Adenocarcinoma with deep margin involvement; Moderately to poorly differentiation; Vascular invasion
D	Invasive adenocarcinoma	Invasive adenocarcinoma; Well differentiated; No lympho-vascular invasion

ESD: Endoscopic submucosal dissection; CR: Curative resection; IMC: Intramucosal carcinoma.