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WHO Classification of Tumours
WHO Classification of Tumours of the Breast and Female Genital Organs
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Tavassoli FA, Devilee P (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Breast and Female Genital Organs.
3rd Edition
IARC Press: Lyon 2003

C54 - Corpus uteri:
The number attached to each tumour is the ICD-O morphology code of the International Classification of Diseases for Oncology (ICD-O) [1] and the Systematized Nomenclature of Medicine (http://snomed.org).
/0 benign tumours
/1 unspecified, borderline or uncertain behaviour
/2 in situ carcinomas
/3 malignant tumours.

1. Fritz A, Percy C, Jack A, Shanmuragatnam K, Sobin LH, Parkin DM, Whelan S (Eds) International Classification of Diseases for Oncology. World Health Organization: Geneva 2000

Endometrial carcinoma
    8380/3 Endometrioid adenocarcinoma, NOS
        8570/3 Adenocarcinoma with squamous differentiation
        8262/3 Villous adenocarcinoma
        8382/3 Endometrioid adenocarcinoma, secretory variant
        8383/3 Endometrioid adenocarcinoma, ciliated cell variant
    8480/3 Mucinous adenocarcinoma
    8441/3 Serous cystadenocarcinoma, NOS
    8310/3 Clear cell adenocarcinoma, NOS
    8323/3 Mixed cell adenocarcinoma
    8070/3 Squamous cell carcinoma, NOS
    8041/3 Small cell neuroendocrine carcinoma
    8020/3 Undifferentiated carcinoma

Precursor lesions
     Endometrial hyperplasia
     Endometrial intraepithelial neoplasia (EIN)

Mesenchymal tumours
    8931/3 Endometrial stromal sarcoma, low grade
    8930/3 Endometrial stromal sarcoma, NOS
    8930/0 Endometrial stromal nodule
    8890/3 Leiomyosarcoma, NOS
    8897/1 Smooth muscle tumor of uncertain malignant potential

    8890/0 Leiomyoma, NOS
    8890/1 Leiomyomatosis, NOS
     Mixed endometrial stromal and smooth muscle tumour
     Perivascular epithelioid cell tumour
    9054/0 Adenomatoid tumor, NOS

Mixed epithelial and mesenchymal tumours
    8980/3 Carcinosarcoma, NOS
    8933/3 Adenosarcoma
    8934/3 Carcinofibroma
    9013/0 Adenofibroma, NOS
    8932/0 Adenomyoma

Gestational trophoblastic disease
    9100/3 Choriocarcinoma, NOS
    9104/1 Placental site trophoblastic tumor
    9105/3 Trophoblastic tumor, epithelioid
    9100/0 Hydatidiform mole, NOS