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Report Produced: 08/29/2024 11:14 AM

Report Question ID Question Discussion Answer Year
20091108 MP/H Rules/Multiple Primaries--Lung: How do we apply the MP/H rules if a pathologist states a patient has multiple reportable primaries after he compares an October 2006 RLL lung specimen with a March 2009 RML lung specimen? See Discussion. Patient had a right lung lobectomy (RLL) in Oct. 2006 diagnosed as adenocarcinoma. In March of 2009, two nodules in the right upper lobe were identified. Following a RUL wedge resection, the pathology report indicated: Two foci of M.D. adenocarcinoma with mixed mucinous and micropapillary and solid patterns. COMMENT: The present tumor is compared to the previous adenocarcinoma reviewed in 2006. Although there is some overlap in their appearance, the present tumor shows a much greater component of mucinous adenocarcinoma. Because there is some difference in the appearance, and the nodule is located in a separate lobe, this will be dictated as a separate lung primary.

For cases diagnosed 2007 or later, this is two primaries.

MPH General Instructions tell us a pathologist may decide when there is recurrence when comparing the current tumor to a previous specimen. In this case, the pathologist did the comparison and documented that the second tumor is NOT a recurrence but a new primary.

Histologies described by the terms "pattern" and "component" do not indicate a more specific type when applying the histology rules. The histology for the 2009 diagnosis is adenocarcinoma [8140/3]. Rule H3 applies.

2009
20091105

Multiple Primaries--Hematopoietic: How many primaries and which histologies should be reported for a case presenting with a 2005 diagnosis of CLL/SLL, 2006 clinical diagnosis of MDS and a 2008 diagnosis of AML? See Discussion.

2005 diagnosis of CLL/SLL (9670) with lymph node involvement, treated with FCR. 2006 clinical diagnosis of MDS secondary to chemo (9987) with CLL/SLL in remission. 2008 biopsy reveals AML (9861). Per Seer Hematopoietic Table, 9987 & 9861 are a single primary. In 6/2008 patient receives bone marrow transplant. 2009 status post BMT, BM biopsy reveals RAEB-1 (9983). Is this still the same disease process or a new primary (since status post BMT)?

For cases diagnosed prior to 1/1/2010:Two primaries should be abstracted. Using the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, compare 9670 (SLL) in 2005 and 9987 (MDS secondary to chemo) in 2006. This is two primaries.

MDS can transform to AML. On the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, 9987 (MDS) and 9861 (AML) are a single primary. The AML would be documented in follow-up. (While 9670/SLL and 9861/AML are two different primaries, the SLL has already been reported.)

RAEB is a form of MDS. On the Definitions of Single and Subsequent Primaries for Hematologic Malignancies table, 9987 (MDS) and 9983 (RAEB) are a single primary. The RAEB would be documented in follow-up. (While 9670/SLL and 9983/RAEB are two different primaries, the SLL has already been reported.)

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
20091068 Primary site--Bladder: What is the appropriate subsite for "adjacent to the bladder neck"? Assign code C679 [Bladder, NOS]. It is not possible to determine the location of the tumor from the description. A tumor that is "adjacent to bladder neck" could be located in the trigone or on the bladder wall (anterior, posterior or lateral). 2009
20091129 Primary Site--Breast: What subsite is to be coded for a case of invasive Paget disease of the nipple with an infiltrating ductal carcinoma of the lower inner quadrant? Code C50.9 [Breast, NOS]. Code the last digit of the primary site to '9' for single primaries when multiple tumors arise in different subsites of the same anatomic site and the point of origin cannot be determined. Nipple [C50.0] and LIQ [C50.3] fit this rule. This is a single primary per MP/H Breast Rule M9. 2009
20091059 CS Tumor Size--Breast: How is this field coded for DCIS that is present in scattered small foci over five of eight slides, and the greatest aggregate dimension measures 0.5 cm? See Discussion. Breast biopsy was prompted by abnormality seen on mammography. Would this be an example of when to code 996 (mammographic/xerographic diagnosis only, no size given; clinically not palpable) applies for the CS Tumor Size field?

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.Assign code 005 [0.5 cm] in this case. According to the General Instructions for CS tumor size, it is acceptable to code an aggregate size stated by the pathologist (see instruction 4.i).

 2009
20091060 MP/H Rules/Multiple Primaries--Head and Neck: How many primaries are to be accessioned for a case in which a second tumor occurs in an area previously involved by direct extension from a prior primary located in an adjacent site? See Discussion. Patient diagnosed in August 2007 with squamous cell carcinoma in the right tonsil. This tumor extended to the base of tongue. Treatment consisted of radiation and chemotherapy. In May 2008, the patient was found to have squamous cell carcinoma of the base of tongue. How many primaries are to be accessioned for this case? Rule M7 states that tumors in sites with ICD-O topography codes that are different at the second or third character are multiple primaries. The topography code for base of tongue differs from that of tonsil. Would rule M7 apply? On the other hand, the base of tongue was involved by the tonsil primary which was diagnosed less than one year before.

For cases diagnosed 2007 or later:

The May 2008 diagnosis is not a new primary. Base of tongue involvement was originally present in August 2007. The May 2008 diagnosis does not represent new tumor. The 2007 rules apply to new tumors only; therefore, the 2007 rules do not apply to this case.

 2009
20091046 CS Lymph Nodes/CS Site Specific Factor--Melanoma: When CS Lymph Nodes is coded 13, 14 or 15 (codes used when satellite nodule(s) or in-transit metastases are present), why must CS SSF 3 be coded 000 (No lymph node metastasis)? See Discussion.

3/11/05 Consult - PE: huge exophytic lesion right lower leg (mushroom-type lesion), 6cm. Below that lesion is another ulcerative lesion 2cm. Right upper arm lesion w/ satellite nodule. Note from physician states malignant melanoma on right lower leg metastatic to the left arm/shoulder. No scans done so there is no assessment of the lymph nodes.

We coded CS LNS to 13, which captures the satellite nodule, CS SSF3 = 999 and CS Reg Nodes Eval = 0. SEER Edit 216 requires the SSF3 to be 000. SSF 3 is coded 999 as there is no information about the clinical status of lymph nodes.

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.When CS lymph nodes is coded 13-15, SSF 3 must be coded 000. Follow the instruction in the SSF 3 Note: Use code 000, No lymph node metastases, if ... there are satellite nodules or in-transit metastases, but no regional lymph node metastases, i.e., CS Lymph Nodes is coded 13-15.

For this case, assign CS lymph node code 15 [Satellite nodule(s) or in-transit metastases greater than 2cm from primary tumor WITHOUT regional lymph node involvement or involvement of regional nodes not stated]. The arm lesion is more than 2cm from the leg lesion.

 2009
20091029 MP/H Rules/Histology--Melanoma: How should histology be coded for a melanoma arising in a compound nevus, NOS or a nevus, NOS?

For cases diagnosed 2007 or later, assign code 8720 [Melanoma, NOS] to melanoma arising in a nevus that does not have a specific code or to melanoma arising in a nevus, NOS.

Currently, ICD-O-3 does not have a specific classification for a melanoma arising in a compound nevus.

 2009
20091030 MP/H Rules/Multiple Primaries--Thyroid: How many primaries should be coded if there is a clinical diagnosis of recurrent thyroid carcinoma in 3/08 in a patient with a history of thyroid carcinoma diagnosed in 1995 with a 2002 clinical recurrence? See Discussion. Thyroid carcinoma diagnosed in 11/95 and treated with total thyroidectomy (although path report only mentions the left lobe) and ablation. Elevated thyroglobulin level in 11/02, stated to have recurrent carcinoma and again treated with ablation. History on this case states patient had a near total thyroidectomy at diagnosis. Patient is seen again at a third hospital 3/08. Diagnosis again is recurrent carcinoma apparently because of a thyroid mass that is palpable. No treatment was performed and patient expired 4/08. Is this a new primary because of MP/H rule M10?

For cases diagnosed 2007 or later:

The pathology report takes precedence over the other information when there is a discrepancy. Based on the information available, only the left thyroid lobe was removed 11/95.

Use the 2007 MP/H rules to evaluate new tumors. If the 3/08 diagnosis represents a new tumor, use the MP/H rules. If the diagnosis in 3/08 is not new tumor, the MP/H rules do not apply.

For this case, a new tumor in 3/08 would be a new primary using rule M10 for Other Sites.

 2009
20091007 CS Extension--Lung: How is this field coded for a tumor in the right middle lobe with extension to the bronchus intermedius?

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.

Assign CS extension code 20

[Extension from other parts of lung to main stem bronchus, NOS

(EXCLUDES superficial tumor as described in code 11)

Tumor involving main stem bronchus greater than or equal to 2.0 cm from carina (primary in lung or main stem bronchus)].

A right middle lobe tumor that extends to the bronchus intermedius is one that is extending to the main stem bronchus from another part of the lung. The bronchus intermedius is the lower part of the main stem bronchus on the right. It is more than 2.0 cm away from the carina.

 2009