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Abstract this case as a single primary and code histology as carcinosarcoma (8980/3). The carcinosarcoma is intermixed with the EIN making this a single primary coded to the invasive histology. EIN is a precursor of endometrial carcinoma in the WHO Classification of Female Genital Tumors, 5th edition. Carcinosarcoma of the uterus is described in the literature as an aggressive variant of endometrial carcinoma characterized by unusual histologic features including discrete malignant epithelial and mesenchymal components (carcinoma and sarcoma).

Use the NAACCR Data Dictionary Required Status Table or refer to standard setter requirements. Do not use SEER*RSA to determine which data items are required to be collected or transmitted. Though "All" in SEER*RSA generally refers to the standard setters including CoC, NPCR, CCCR, and SEER, some items in SEER*RSA need updating; this is planned for 2022.

Ecchordosis physaliphora is not reportable.

The following cancer cases are reportable unless there is information to the contrary.

–Liver cases with an LI-RADS category LR-4 (reportable since 2021) or LR-5 (reportable since 2016)

–Prostate cases with a PI-RADS category 4 or 5 (reportable since 2017)

The following are not reportable without additional information.

–Breast cases designated BI-RADS 4, 4A, 4B, 4C or BI-RADS 5

–Lung cases designated Lung-RADS 4A," 4B, or 4X

–Liver cases based only on an LI-RADS category of LR-3

–Colon cases with only C-RADS information (C-RADS category C4 is not reportable by itself)

–Head and Neck cases with only NI-RADS information (NI-RADS category 3 is not reportable by itself)

–Ovarian or fallopian tube cases with only O-RADS information (none of the O-RADS categories are reportable without additional information)

–Thyroid cases with only TI-RADS information (none of the TI-RADS categories are reportable without additional information)

For solid tumors, ignore the term "evolving" and apply the registry rules for reportability to this case. Squamous cell carcinoma of the vermillion border of the lower lip (C001) is reportable.

Assign 8323/3, clear cell papillary renal cell carcinoma using the 2018 Kidney Solid Tumor Rules, Rule H1, as this is a single histology, a variant of renal cell carcinoma NOS.

For purposes of Summary Stage, intramucosal, NOS is a localized lesion. Intramucosal carcinoma is coded SEER Summary Stage 1 (localized) and (behavior code 3). The involvement of the following are assigned localized in Summary Stage and assigned a behavior code of 3.

Intramucosal, NOS

Lamina propria

Mucosa, NOS

Confined to, but not through the muscularis mucosa

The Exception you cite may need to be reworded. We will review for the next version of the Summary Stage manual.

Answer revised 3/31/2022

Do not report cases based only on the TI-RADS category. The most recent information from ACR on TI-RADS indicates that neither TI-RADS 4 nor TI-RADS 5 is clearly defined as malignancy. TI-RADS 4 is "moderately suspicious" and TI-RADS 5 is "highly suspicious" but they do not specify what they are suspicious for. We need more information to determine reportability.

When the choice is between ovary, fallopian tube, or primary peritoneal, any indication of fallopian tube involvement indicates the primary tumor is a tubal primary. Fallopian tube primary carcinomas can be confirmed by reviewing the fallopian tube sections as described on the pathology report to document the presence of either serous tubal intraepithelial carcinoma (STIC) and/or tubal mucosal invasive serous carcinoma.

If there is no information about the fallopian tubes, refer to the histology and look at the treatment plans for the patient. If all else fails, you may have to assign C579 as a last resort. Use text fields to document the details.

For additional information, see the CAP GYN protocol, Table 1: Criteria for assignment of primary site in tubo-ovarian serous carcinomas.

Report retroperitoneal paraganglioma based on ICD-O-3.2 histology/behavior that lists paraganglioma, NOS as 8680/3 for cases diagnosed 2021 and forward. While GAPP is a predictor of metastatic potential, it does not factor into behavior, thus reportability.