Table 1 Histological subtypes of differentiated-type and undifferentiated-type of EGC [3]
Type of differentiation | Histological subtype | Remarks |
|---|---|---|
Differentiated | Well-differentiated tubular adenocarcinoma (tub1) | Intramucosal tumours of this type have been assigned to category 4 according to the revised Vienna classification system [4,5,6]. |
Moderately differentiated tubular adenocarcinoma (tub2) | ||
Papillary adenocarcinoma (pap) | This type of tumour and component was not included in any of the enrolled EGCs in this study unintentionally. | |
Undifferentiated | Solid type, poorly differentiated adenocarcinoma (por1) | Â |
Non-solid type, poorly differentiated adenocarcinoma (por2) | ||
Signet-ring cell carcinoma (sig) | ||
Mucinous adenocarcinoma (muc) |