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20021124 | Multiple Primaries (Pre-2007)/Primary Site/EOD-Extension--Lung: Should lung cases be counted as more than one primary when nodules removed from separate lobes of the same lung have either the same histology or they are different immunophenotypes of the same main histologic classification (e.g., adenocarcinoma)? See discussion. |
1. Path report: "Two nodules (RLL, RUL) of primary pulmonary demonstrate adenocarcinoma with different histologic appearances and different immunophenotypes consistent with synchronous lung adenocarcinomas." Per ICC interpretation, two lung primaries are favored. 2. Path report: "Two peripheral nodules (LLL, LUL) demonstrate similar P.D. non-small cell carcinoma with features of large cell undifferentiated carcinoma." |
For tumors diagnosed prior to 2007: According to current SEER rules, both examples represent one primary because both tumors are in one lung and of a single histologic type. Code the Primary Site field to C34.9 [Lung, NOS] for both examples and the EOD-Extension field to 77 [Separate tumor nodules in different lobe]. This will capture the fact that there are multiple tumors within the lung for each of these examples. Differences in immunophenotypes confirm independent de novo cancers and rule out metastasis. Immunophenotype differences do not equate to different histologies. In the first example described, there are different histologic features; however, the main classification is adenocarcinoma. For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20020052 | EOD-Extension--Lung: How do you code extension for a lung tumor described on bronchoscopy as "obstructing the RUL and intruding into the right bronchus intermedius. Small tumor nodules distally in midline of anterior trachea wall"? | For cases diagnosed 1998-2003:
Code the EOD-Extension field to 85 [Metastasis] because the tumor nodules are discontinuous from the primary tumor. |
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20021207 | EOD-Lymph Nodes--Breast: How do you code this field when the gross description on the pathology report states "nodal tissue is matted" but only 1/18 lymph nodes is found to contain micrometastatsis per the microscopic description of the report? | For cases diagnosed 1998-2003:
Code the EOD-Lymph Nodes field to 1 [Micrometastasis] because the matted nodal tissue was found to contain only one node with micrometastasis when examined microscopically. Coding priority is given to the microscopic description over the gross description. |
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20021108 | Histology (Pre-2007)/Grade, Differentiation: What code is used to represent the histology of "well differentiated low grade lipoma-like liposarcoma (atypical lipoma)"? See discussion. | The pathologic microscopic description states, "Well differentiated lipoma-like liposarcoma, sometimes termed atypical lipoma. This tumor will behave in a low grade malignant fashion. Slow growing recurrences can be expected. Metastatic disease is very rare unless the tumor dedifferentiates." | For tumors diagnosed prior to 2007:
Code the Histology field to 8851/3 [Liposarcoma, well differentiated] and the Grade to 1 [Well differentiated]. This histology is reportable to SEER.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021018 | First Course Treatment--Prostate: How do you code "watchful waiting" in these fields for prostate primaries? | For cases diagnosed 1/1/2003 and later: When "watchful waiting" is the first course of therapy for prostate cancer, code the case as follows:
Date Therapy Initiated: 000000 Surgery of Primary Site: 00 Scope of Regional Lymph Node Surgery: 0 Surgical Procedure of Other Site: 0 Reason for No Cancer-Directed Surgery: 1 Radiation: 0 Chemotherapy: 00 Hormone Therapy: 00 Immunotherapy: 00 Hematologic Transplant and Endocrine Procedures: 00 Other Cancer Directed Therapy: 0 |
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20021150 | SEER Guidelines Over Time: Should we apply the current guidelines to previously missed older cases now being reported to the central registry? See discussion. | 1. We receive "straggler" cases for coding that were diagnosed when previous coding schemes and guidelines were applicable. When a specific guideline is in place for a given time period and is later changed in some way, we try to use the specific guideline that was in place at the time of diagnosis when coding the incoming case. However, it is not always possible to remember or to be able to access those old guidelines.
2. There are situations when coding old cases that have no applicable guideline for the older diagnosis years but current SEER documentation informs the coder how to handle the situation. For example, in the SEER Program Code Manual (3rd ed), 3 new guidelines were added for coding of differentiation. There were no guidelines in the previous SEER manual that specifically covered those situations. Should we use the current rules in coding differentiation on the older incoming case? |
Code all fields according to the instructions that were in effect at the time the case was diagnosed. If the old guidelines are unavailable or non-existent, code the case in the current scheme. The year the case was abstracted will indicate that the case was a late entry into the system and that could account for the differences in coding seen by a reviewer. | 2002 |
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20021146 | Primary Site--Lymphoma: Is the primary site likely to be extranodal for a lymphoma that presents in an extranodal site and lymph nodes which are regional for that site? Is the primary site also likely to be extranodal if an extranodal site and lymph nodes are excised? See discussion. | Example: Work-up included a negative CXR. A CT showed multiple dilated loops of small bowel consistent with obstruction and nodular prominence at the base of bladder. Laparotomy with resection of small bowel and multiple biopsies of enlarged mesentric lymph nodes performed. Final path diagnosis: Lymphoma in a "mesenteric mass" and in "small bowel." There was no mention of lymph nodes in the final diagnosis and the detailed micro described the mesenteric mass as just adipose tissue replaced by lymphoma. However, the gross for that specimen states 4 lymph nodes were found in the fat. The small bowel micro described an ulcerated lesion of the small bowel extending into muscularis. | For cases diagnosed prior to 1/1/2010:Code the Primary Site field to C17.9 [small bowel] for the example. When an extranodal organ and that organ's regional nodes are involved, the extranodal site is most likely the primary, unless there is extension from the regional nodes to the organ. If the primary site cannot be determined for a lymphoma diagnosed in both a nodal and extranodal site, code to C77.9 [lymph nodes NOS]. 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. |
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20021168 | Histology (Pre-2007)--Corpus Uteri: What code is used to represent the histology "endometrioid carcinoma with squamous differentiation" for an endometrium primary? | For cases diagnosed 2004-2006:
Endometrioid adenocarcinoma with squamous differentiation is coded 8570 [Adenocarcinoma with squamous metaplasia].
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021117 | Multiple Primaries (Pre-2007)--Bladder/Prostatic Urethra: Is the prostatic urethra a new primary for a case with a history of recurrent noninvasive bladder cancer that was subsequently diagnosed with transitional cell carcinoma in situ of the prostatic urethra and had a subsequent clinical diagnosis of "refractory bladder carcinoma"? | For tumors diagnosed prior to 2007:
If the histology of the bladder primary is "transitional cell carcinoma" or "papillary transitional cell carcinoma," do not code the prostatic urethra as a new primary. This is probably a case of intraluminal (mucosal) spread of the original tumor, rather than separate primaries. The clinical diagnosis supports this view.
For tumors diagnosed 2007 or later, refer to the MP/H rules. If there are still questions about how this type of tumor should be coded, submit a new question to SINQ and include the difficulties you are encountering in applying the MP/H rules. |
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20021051 | EOD-Extension--Pancreas: Can you explain the difference between code 10 [confined to pancreas] and code 30 [Localized, NOS]. See discussion. | For example, a CT scan mentions no extension beyond the head, body or tail of the pancreas and there is no surgical resection. Should we code extension to 10 or 30? | For cases diagnosed 1998-2003:
Code the EOD-Extension field to 10 [confined to pancreas] because a scan supported the finding of no extension beyond the pancreas.
If the abstractor reviewing the medical record has scans, op reports, and/or pathology reports stating that the tumor is confined to the pancreas, code extension to 10 [confined to pancreas].
However, if the medical record only provides a patient history from a physician stating that the patient had localized pancreas, code extension to 30 [localized, NOS]. The NOS codes are used only when there is not enough information to code the specific codes (in this case, 10 or 20). |
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