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Report Produced: 12/30/2025 11:06 AM

Report Question ID Question Discussion Answer Year
20091041

CS Lymph Nodes--Ovary: Are positive lymph nodes removed from "colon tissue" during a modified posterior pelvic debulking regional or distant? If regional, what is the appropriate CS LN code?

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].

 2009
20091057 CS Site Specific Factor--Lymphoma: Can the term "intermediate risk" be used to code IPI score? See Discussion. Patient has Hodgkin disease. The physician states that the patient has bulky stage IIA intermediate risk disease. Is the term "risk" another way of stating IPI score? If so, how would intermediate risk be coded?

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 SSF 3 for lymphoma based on the IPI score stated in the record. Do not attempt to interpret statements or terms in order to assign a code to SSF 3. If no further information is available for this case, code SSF 3 999 [Unknown].

 2009
20091097

Multiple Primaries--Lymphoma: How many primaries should be abstracted if DLBCL (9680/3) and Mantle Cell Lymphoma (9673/3) occur at the same time in different lymph nodes? How would Sequence be coded if the case is multiple primaries?

For cases diagnosed prior to 1/1/2010:It is important to note for this case that the two different types of NHL occurred in different lymph nodes; one type in one lymph node and the other type in another lymph node.

Use the fold-out table to determine single vs multiple primaries. According to the table, 9673/3 and 9680/3 would be two primaries no matter which of these was "first."

Assign the lower sequence number to the primary with the worse prognosis when two primaries are diagnosed simultaneously. Base the prognosis decision on the primary site, histology, and extent of disease for each of the primaries. If there is no difference in prognosis, the sequence numbers may be assigned in any order.

For cases diagnosed 1/1/10 and later, 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.

 2009
20091014

MP/H Rules/Histology--Melanoma: Please clarify what we should code when we see the term 'spitz or spitzoid' in association with melanomas. See Discussion.

Path reports often diagnose "melanoma with spitzoid features." There is no code for this in ICD-O-3. Would it be melanoma NOS with a specific type for MP/H rule H9 (with features of...), or would we stop at H3? Could the matrix principle apply, changing 8770/0 (one of the synonyms is Spitz nevus) to 8770/3 (although no Spitz synonyms are specifically listed under this code)? What if the path report says "melanoma arising in a Spitz nevus"?

For cases diagnosed 2007 - 2020

Assign code 8720/3 [Malignant melanoma] for melanoma with Spitzoid features, Spitzoid variant of nevoid melanoma, melanoma arising in Spitz nevus, or Spitzoid melanoma. The WHO Classification of Tumors groups these with Nevoid melanomas and codes them to 8720/3.

According to WHO, "Nevoid melanoma is a subtype of malignant melanoma of the skin that is distinctive in that the primary lesion mimics many of the architectural features of a common compound or intradermal nevus ... or a Spitz nevus... These lesions are defined not as atypical nevi, but as melanomas because they involve the dermis and have the potential for metastasis."

 2009
20091072 Histology--Brain and CNS: How is histology coded for a "rosette-forming glioneuronal tumor" of the fourth ventricle?

Assign histology code 9505/1 [Ganglioglioma, NOS].

Rosette-forming glioneuronal tumor of the 4th ventricle is a new WHO entity. There is no current ICD-O-3 code for this. The best code available at this time is 9505/1.

 2009
20091065

Primary Site/CS Extension--Lymphoma: How are these fields coded for a non-Hodgkins lymphoma case with scans that show non-specific parenchymal lung nodules and a large mediastinal mass? See Discussion.

Patient presented with large bulky mediastinal mass. CT showed no pleural effusion. Findings also show non-specific parenchymal lung nodules. Biopsy of mediastinal mass showed malignant B-cell lymphoma of follicle center cell origin. Abdomen /Pelvis CT showed borderline lymph nodes in bifurcation. Clinical diagnosis was probable stage 3 if not 4 lymphoma. Per lymphoma guidelines, if extra-nodal primary site is assigned to the extranodal site if an extra-nodal site and its regional lymph nodes are involved. Would the parenchymal lung nodules be indicative of pulmonary involvement? If so, would primary site be lung? Or, would the parenchymal nodules be stage 4 disease and primary site be assigned to lymph nodes?

For cases diagnosed prior to 1/1/2010, 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 Primary Site to C779 [Lymph node, NOS]. In this case, there is no statement that lymphoma involves the lung. "Nonspecific parenchymal lung nodules" are not indicative of lymphoma involvement. Consequently, this cannot be assumed to be an extra-nodal lymphoma. Additionally, it is not clear whether or not the "borderline" pelvic lymph nodes are involved. If the physician cannot provide more information, follow instruction 4.e in the SEER manual on page 72.

For cases diagnosed 1/1/10 and later, 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.

 2009
20091006

Primary site--Lung: What primary site code is used for bronchus intermedius?

Assign code C340 [main bronchus].

The bronchus intermedius is the lower part of the main bronchus on the right side. The bronchus intermedius begins just below the point where the upper lobe bronchus branches off from the main bronchus. The bronchus intermedius branches into the middle lobe bronchus and the lower lobe bronchus.

2009
20091119

MP/H Rules/Multiple primaries--Lung: How many primaries are to be reported for an adenocarcinoma of the lung in the right middle lobe of the lung and bronchioalveolar carcinoma, non-mucinous type in the right upper lobe? See Discussion.

Bilobectomy revealed two tumors, adenocarcinoma in the right middle lobe and bronchioalveoar carcinoma non-mucinous type in the right upper lobe. MP/H rule M10 states that tumors with non-small cell carcinoma (8046) and a more specific non-small cell type (chart 1) are a single primary. Does rule M10 apply to only those cases for which one tumor is stated to be non-small cell, NOS? Or do we use chart 1 to identify specific subtypes? For this case, using chart 1, would we note that bronchioalveolar is a subtype of adenocarcinoma and count this case as a single primary? Most of the MP/H rules schemas have a rule making an adenocarcinoma and a more specific type of adenocarcinoma a single primary. Would we apply rule M10 to this case and count it as a single primary? Or would we move on to rule M11 and count the case as two primaries?

For cases diagnosed 2007 or later, Rule M11 applies. Accession two primaries.

Rule M10 applies only to cases for which one tumor is stated to be "non-small cell carcinoma."

 2009
20091031 MP/H Rules/Histology--Thyroid: How is histology coded for a thyroid tumor described as "predominantly papillary carcinoma, tall cell variant, follicular type"?

For cases diagnosed 2007 or later, assign code 8340 [Papillary carcinoma, follicular variant] according to rule H15 for Other Sites.

"Predominantly" and "type" indicate specific histologies. "Variant" does not. See rule H13. The histology in this case is papillary and follicular. Tall cell variant is ignored.

 2009
20091116 MP/H Rules/Multiple primaries - - Colon: Is a colon tumor reported as "recurrent at the anastomotic junction" just over one year after the diagnosis of a T4 colon tumor to be counted as a new primary? See Discussion.

MP/H rules do not apply to metastasis. However, it has been our experience that pathologists and clinicians tend to use the terms metastatic and recurrence interchangeably. The term "recurrence" is not limited to a tumor recurrence in the same site as a previous malignancy. Sometimes it is obvious that the clinician is using the term recurrence to describe a metastatic lesion. When a "recurrence" is located in tissue that is very different from the original primary site, it is easy to recognize that the intended meaning of the term is metastasis.

Example: Patient with squamous cell carcinoma of the tongue with recurrence in the lung.

However, when the metastatic deposit occurs in similar tissue, it is more difficult to determine the number of primaries.

Example when the term "recurrence" is ambiguous: In April 2008 patient was diagnosed with adenocarcinoma of the ascending colon. At the time of hemicolectomy the tumor was noted to be plastered into the paraduodenal and peripancreatic area. Patient received one dose of adjuvant chemo and then discontinued treatment. In May 2009 the patient was found to have adenocarcinoma in the transverse colon. Per the pathology report the diagnosis for segmental resection at that time showed colonic adenocarcinoma. Tumor location: tumor appears recurrent at anastomotic junction. Abdominal wall mass showed metastatic adenocarcinoma.

One has to wonder if the pathologist found a metastatic nodule at the anastomotic site and called it "recurrent." It is unlikely that the pathologist will compare this specimen to the previous tumor, having already diagnosed it as "recurrent."

For cases diagnosed 2007 or later, Rule M4 applies to the example of adenocarcinoma of ascending colon diagnosed in 2008 followed by adenocarcinoma of transverse colon diagnosed in 2009. When a colon resection has taken place, the original primary site is no longer present. A colon resection usually includes a portion of uninvolved colon on either side of the tumor. A tumor diagnosed at the anastomotic junction cannot be located in the same site as the previous tumor. Use of the term "recurrent" in this case is not synonymous with "metastatic." Apply the MP/H rules. 2009