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This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.

If the prostate cancer was diagnosed on autopsy, or the autopsy was performed within the staging timeframe (See 2004 SEER Manual, page 112), code SSF3 using the autopsy information.

Assign diagnostic confirmation code 5 for a positive laboratory test/marker study. A note was added to the Hematopoietic manual to state that code 5 now includes cases with no histological confirmation but there is positive immunophenotyping or genetic studies.

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Code CS Extension as 05 [Benign or borderline brain tumors]. Code the size of the tumor if specified. Otherwise code CS Tumor Size as 999 for benign CNS tumors.

Code the behavior as 2 and over-ride the edit. The edit is there to flag unusual combinations. Once you have verified that the behavior is coded correctly, over-ride the edit.

The surgeon stage of T2 is based on size of tumor, the TIS is based on behavior. Code according to pathologically confirmed TIS.

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.Pericolonic lymph nodes are "regional" lymph nodes for an ovarian primary. If you do not have enough information to assign codes 12-30, assign code 50 [Regional lymph nodes, NOS].

For cases diagnosed 2007 to 2017 ONLY: Code the histology as papillary urothelial carcinoma [8130].NOTE: In the CAP checklist, the statement that the tumor has a papillary configuration is a further description of this tumor. This is supported by the pathologist's stage of pTa [noninvasive papillary carcinoma]. Use the information from the CAP checklist when available. The MP/H Rules will be revised to include the term "configuration" in the specific histology terms for in situ tumors.

The steps used to arrive at this decision are

Step 1: Open the Multiple Primary and Histology Coding Rules manual. Choose one of the three (i.e., flowchart, matrix or text) and go to the Urinary Histo rules. The module you use depends on the behavior and number of tumors identified in the primary site. In this case, the patient has a single bladder tumor per the submitted information.

Step 2: Start at Rule H1 in the Single Tumor module. The rules are intended to be reviewed in consecutive order from Rule H1 to Rule H15. Stop at the first rule that applies to the case you are processing. Stop at Rule H7. Code the histology as 8130/2 (noninvasive papillary urothelial carcinoma) when the urothelial carcinoma is stated to have a papillary configuration.

For cases diagnosed 2018 or later, refer to the Solid Tumor Rules, https://seer.cancer.gov/tools/solidtumor/

This answer was provided in the context of CSv1 coding guidelines. The response may not be used after your registry database has been converted to CSv2.

Do not code vocal cord fixation when the only information available is "hoarseness." Vocal cord fixation must be documented on endoscopy. Hoarseness is a common presenting symptom of laryngeal malignancy.

Code OPTUNE in the Other Treatment field. See NovaTTF in SEER*Rx (http://seer.cancer.gov/seertools/seerrx/). NovaTTF is the pre-FDA approval name for OPTUNE.

If OPTUNE was administered for recurrence, be sure NOT to record it in the first course of treatment fields. Check with CoC if you have questions about coding treatment for recurrence.

For cases diagnosed prior to 1/1/2010:Assign code 9755 [Histiocytic sarcoma; True histiocytic lymphoma]. "Histiomonocytic" is not standard terminology, according to our expert consultant. However, 9755 is the best code to assign.

For cases diagnosed 2010 forward, refer to the Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual and the Hematopoietic Database (Hematopoietic DB) provided by SEER on its website to research your question. If those resources do not adequately address your issue, submit a new question to SINQ.

Apply the Multiple Primaries/Histology, Breast Rule H3: DCIS and a more specific in situ are coded to the more specific histology term which in this case is solid. Code the histology to ductal carcinoma in situ, solid type (8230/2). Based on the information provided, there is no invasive component. The term "microca ++" means micro-calcifications are present, not micro carcinoma.