WHO Classification of Tumours of the Digestive System 1
 
Bosman FT, Carneiro F, Hruban RH, Theise ND (Eds.)
WHO Classification of Tumours of the Digestive System.
4th Edition
International Agency for Research on Cancer: Lyon 2010



C16 - Stomach:




Epithelial tumors
    Premalignant lesions
        8140/0 Adenoma, NOS

    Carcinoma
        8140/3 Adenocarcinoma, NOS
            8260/3 Papillary adenocarcinoma, NOS
            8260/3 Papillary renal cell carcinoma
            8260/3 Papillary carcinoma of thyroid
            8211/3 Tubular adenocarcinoma
            8480/3 Mucinous adenocarcinoma
            8480/3 Pseudomyxoma peritonei with unknown primary site
            8255/3 Adenocarcinoma with mixed subtypes
        8560/3 Adenosquamous carcinoma
        8512/3 Medullary carcinoma with lymphoid stroma
        8576/3 Hepatoid adenocarcinoma
        8070/3 Squamous cell carcinoma, NOS
        8020/3 Carcinoma, undifferentiated, NOS

    Neuroendocrine neoplasms
        8240/3 Carcinoid tumor, NOS
        8240/3 Typical carcinoid
        8240/3 Bronchial adenoma, carcinoid
        8249/3 Atypical carcinoid tumor
        8246/3 Neuroendocrine carcinoma, NOS
            8013/3 Large cell neuroendocrine carcinoma
            8041/3 Small cell carcinoma, NOS
            8041/3 Small cell neuroendocrine carcinoma
        8244/3 Mixed adenoneuroendocrine carcinoma
        8241/3 Enterochromaffin cell carcinoid
        8153/3 Gastrinoma, malignant

Lymphomas
    9673/3 Mantle cell lymphoma
    9687/3 Burkitt lymphoma, NOS
    9687/3 Burkitt-like lymphoma
    9827/3 Adult T-cell leukemia/lymphoma (HTLV-1 positive)
    9650/3 Hodgkin lymphoma, NOS

Mesenchymal tumors
    8711/0 Glomus tumor, NOS
    9580/0 Granular cell tumor, NOS
    8890/0 Leiomyoma, NOS
    8890/0 Plexiform leiomyoma
    8890/0 Lipoleiomyoma
    9560/0 Neurilemoma, NOS
    9560/0 Acoustic neuroma
    9560/0 Pigmented schwannoma
    9560/0 Plexiform schwannoma
    9560/0 Cellular schwannoma
    9560/0 Degenerated schwannoma
    9560/0 Ancient schwannoma
    9560/0 Psammomatous schwannoma
    8825/1 Myofibroblastic tumor, NOS
    8936/0 Gastrointestinal stromal tumor, benign
    8936/1 Gastrointestinal stromal tumor, NOS
    8936/1 Gastrointestinal autonomic nerve tumor
    8936/1 Gastrointestinal pacemaker cell tumor
    8936/3 Gastrointestinal stromal sarcoma
    9140/3 Kaposi sarcoma
    8890/3 Leiomyosarcoma, NOS
    9040/3 Synovial sarcoma, NOS

Secondary tumours