Specimen: Uterine corpus Cervix Right ovary Left ovary Right fallopian tube Left fallopian tube Left parametrium Right parametrium Vaginal cuff Omentum Other (specify): Not specified Procedure: Supracervical hysterectomy Simple hysterectomy Radical hysterectomy Right oophorectomy Left oophorectomy Right salpingectomy Left salpingectomy Right salpingo-oophorectomy Left salpingo-oophorectomy Bilateral salpingo-oophorectomy Omentectomy Peritoneal biopsies Other (specify): Not specified Lymph Node Sampling: Pelvic lymph nodes Para-aortic lymph nodes Other (specify): Not performed Not known Specimen Integrity: Morcellated hysterectomy specimen Intact hysterectomy specimen Tumor Site: Anterior endometrium Posterior endometrium Other (specify): Tumor Size: cm Histologic Type: Endometrioid adenocarcinoma, not otherwise characterized Endometrioid adenocarcinoma, variant (specify): Mucinous adenocarcinoma Serous adenocarcinoma Clear cell adenocarcinoma Mixed carcinoma (specify types and percentages): Squamous cell carcinoma Transitional cell carcinoma Small cell carcinoma Undifferentiated carcinoma Carcinosarcoma (malignant müllerian mixed tumor) Other (specify): Histologic Grade: International Federation of Gynecology and Obstetrics (FIGO) Grading System (applies to endometrioid and mucinous adenocarcinomas only): FIGO grade 1 FIGO grade 2 FIGO grade 3 For other carcinomas: G1: Well differentiated G2: Moderately differentiated G3: Poorly differentiated Not applicable Myometrial Invasion: Not identified Present: Depth of invasion: mm Myometrial thickness: mm <50% myometrial invasion ≥ 50% myometrial invasion Extent of myometrial invasion cannot be determined (see Comment) Involvement of Cervix: Not involved Invasion of cervical stromal connective tissue Cannot be determined (see Comment) Extent of Involvement of Other Organs: Right ovary: Involved Not involved Not applicable Left ovary: Involved Not involved Not applicable Right fallopian tube: Involved Not involved Not applicable Left fallopian tube: Involved Not involved Not applicable Vagina: Involved Not involved Not applicable Right parametrium: Involved Not involved Not applicable Left parametrium: Involved Not involved Not applicable Omentum: Involved Not involved Not applicable Rectal wall: Involved Not involved Not applicable Bladder wall: Involved Not involved Not applicable Pelvic wall: Involved Not involved Not applicable Bladder mucosa and/or bowel mucosa: Involved Not involved Not applicable Other (specify): Peritoneal Ascitic Fluid: Negative for malignancy/normal/benign Atypical and/or suspicious: Malignant (positive for malignancy) Unsatisfactory/nondiagnostic: Margins: Cannot be assessed Uninvolved by invasive carcinoma, closest margin mm at Involved by invasive carcinoma: Lymph-Vascular Invasion: Not identified Present Indeterminate Pathologic Staging (pTNM (FIGO)) m (multiple primary tumors) r (recurrent) y (post-treatment) Primary Tumor (pT): pTX (--): Primary tumor cannot be assessed pT0 (--): No evidence of primary tumor pT1a (IA): Tumor limited to endometrium or invades less than one-half of the myometrium pT1b (IB): Tumor invades greater than or equal to one-half of the myometrium pT2 (II): Tumor invades stromal connective tissue of the cervix, but does not extend beyond uterus pT3a (IIIA): Tumor involves serosa and/or adnexa (direct extension or metastasis) pT3b (IIIB): Vaginal involvement (direct extension or metastasis) or parametrial involvement pT4 (IVA): Tumor invades bladder mucosa and/or bowel mucosa (bullous edema is not sufficient to classify a tumor as T4) Regional Lymph Nodes (pN): pNX: Cannot be assessed pN0: No regional lymph node metastasis pN1 (IIIC1): Regional lymph node metastasis to pelvic lymph nodes pN2 (IIIC2): Regional lymph node metastasis to para-aortic lymph nodes, with or without positive pelvic lymph nodes Pelvic lymph nodes: No nodes submitted or found Number of Lymph Nodes Examined: Number of Lymph Nodes Involved: Para-aortic lymph nodes: No nodes submitted or found Number of Lymph Nodes Examined: Number of Lymph Nodes Involved: Distant Metastasis (pM): Not applicable pM1 (IVB): Distant metastasis (includes metastasis to inguinal lymph nodes, intraperitoneal disease, or lung, liver, or bone metastasis. It excludes metastasis to para-aortic lymph nodes, vagina, pelvic serosa, or adnexa): Additional Pathologic Findings: None identified Hyperplasia: Simple without cytologic atypia Complex without cytologic atypia Atypical hyperplasia: Simple Complex Endometrial intraepithelial neoplasia (EIN) Other (specify): Ancillary Studies: Clinical History: Lynch syndrome Other (specify): Comment(s):