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Report Produced: 11/01/2024 23:15 PM

Report Question ID Question Discussion Answer Year
20031056

Multiple Primaries (Pre-2007)--Breast: For a patient with a remote history of lobular breast carcinoma, would a new diagnosis of lobular breast carcinoma with DCIS be a new primary, even though the physician designates it as recurrent? See Description.

A history of right breast lobular ca in 1991 treated with a partial mastectomy. Diagnosed 3/02 with "recurrent right breast ca" per physician; pathology in 2002 is lobular and DCIS.

Would the DCIS make this a new primary regardless of the physician's designation of 'recurrent' or is this the same primary?

For tumors diagnosed prior to 2007:

Accession as two breast primaries -- the first lobular ca in 1991; the second lobular and DCIS in 2002.

The differing histologies and the length of time between them negate the physician's designation as "recurrent" in this case.

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.

 2003
20031117

Multiple Primaries (Pre-2007): Are simultaneous tumors of the rectosigmoid junction and rectum counted as two primaries? See Description.

On the same day in 1998, a patient was found to have a T3 adenocarcinoma of the rectosigmoid junction and an in situ adenocarcinoma in a villotubular adenoma in the lower rectum. These would be the same histology if they are in the same site.

Are C199 and C209 the same site? They are listed in ICD-O-2 (pg. xxxvii) and in ICD-O-3 (pg. 36), but they are not listed in the SEER Program Manual on page 9 as the same site. Is this one primary or two?

For tumors diagnosed prior to 2007:

Abstract two primaries for the example above, according to the main rule on page 7 in the SPCM. Rectosigmoid junction (C19) and rectum (C20) are in different 3-digit ICD-O-3 topography code categories. Rectosigmoid junction and rectum are not included in the exceptions to the main rule and, therefore, do not appear on page 9 of the SPCM.

The table on page 9 is not identical to the table in ICD-O-3. Two site combinations are listed in ICD-O-3, but not in the SEER table: C19 (rectosigmoid junction) and C20 (rectum); C40 (bones of limbs) and C41 (other bones). Abstract multiple tumors in the rectosigmoid junction and rectum as separate primaries. Abstract multiple tumors in the bones of the limbs and other bones as separate primaries.

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.

 2003
20041084

Multiple Primaries (Pre-2007)--Vulva/Vagina: In 2004 if multiple biopsies reveal VAIN III of the vaginal wall, and VIN III of the left fourchette and the right labia minora is this one primary per the SEER Site Grouping Table on page 9 of the 2004 SEER Manual because vulva and vagina are supposed to be abstracted as a single site?

For tumors diagnosed prior to 2007:

Abstract the case above as one primary according to multiple primary rule 3a. Code the primary site to C579 [Female genital, NOS] according to the table on page 9 of the 2004 SEER Manual.

Multiple tumors of the same site and same histology diagnosed at the same time are abstracted as one primary. Multiple independent tumors of the vulva and vagina are abstracted as a single site when diagnosed simultaneously. VAIN III and VIN III have the same histology code [8077].

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.

 2004
20061138 Multiple Primaries (Pre-2007)/Histology (Pre-2007)--Breast: How many primaries are to be abstracted and how is the histology field(s) coded when a nipple biopsy demonstrates Paget disease and a separate biopsy in the same breast demonstrates inflammatory breast carcinoma? See Discussion. Should Paget disease be coded as the histology because it has a higher histology code than inflammatory carcinoma?

For tumors diagnosed prior to 2007:

Abstract the inflammatory carcinoma as one primary and the Paget disease as a separate primary. The first three digits of the histology codes for these histologies are different (8530 and 8540). Therefore, these are separate primaries.

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.

 2006
20031042 Histology (Pre-2007): How are the following four histologies coded: 1) Adenocarcinoma with focal mucinous adenocarcinoma; 2) Adenocarcinoma with focal areas of bronchioalveolar adenocarcinoma, 3) Mixed infiltrating duct and focal medullary carcinoma, and 4) Mixed infiltrating duct and focal medullary carcinoma? See Description.

1. How do we code colon: Adenocarcinoma with focal Mucinous adenoca? 8140/3 or 8255/3?

2. A lung lesion with predominant adenoca with focal areas of bronchioalveolar adenoca? 8140/3 or 8255/3?

3. Mixed infiltrating duct carcinoma and medullary ca? 8510/3 or 8255/3?

4. Mixed infil duct ca and focal medulary ca? 8510/3 or 8255/3?

For tumors diagnosed prior to 2007:

1. 8140/3, Adenocarcinoma. Mucinous has a specific rule (see sinq 20010075): Include the mucinous component only if it is 50% or more of the tumor. "Focal" is not a majority term.

2. 8250/3, Bronchiolo-alveolar adenoca. Code the more specific histology.

3. 8523/3, Infiltrating duct mixed with other types of carcinoma. Combination of infiltrating duct and another type of carcinoma.

4. 8523/3, Infiltrating duct mixed with other types of carcinoma. Combination of infiltrating duct and another type of carcinoma.

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.

 2003
20041001

Histology (Pre-2007)--Pancreas: Should pancreatic neoplasia III (PanIN III) be coded to 8010/2 [carcinoma in situ, NOS] or 8500/2 [Ductal carcinoma in situ]? See Description.

There is no specific morphology code for PanIN-III in the ICD-O-3. In the chapter for exocrine pancreas found in the sixth edition of AJCC cancer staging manual, pg 160, reference is made to PanIN-III and its inclusion with carcinoma in situ.

For tumors diagnosed prior to 2007:

Code PanIN-III (pancreatic intraepithelial neoplasia III) as 8500/2 [Ductal carcinoma in situ, includes DIN 3: Ductal intraepithelial neoplasia 3]. PanIN-III is a synonym for carcinoma in situ according to the WHO classification of Tumors and the College of American Pathologists' Protocol for exocrine pancreas. Do not code PanIN-I or PanIN-II as cancer.

For tumors diagnosed 2007 or later, see SINQ 20110081 and 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.

2004
20021137 Multiple Primaries (Pre-2007)--Soft Tissue: Does SEER agree that one primary of the soft tissues of pelvis [C49.5] should be reported when a pathologic diagnosis for bilateral herniorrhaphies is "right and left inguinal hernias with low grade spindle cell sarcoma"?

For tumors diagnosed prior to 2007:

Yes. This is one primary and should be coded to C49.5 [Connective, subcutaneous and other soft tissue of pelvis]. According to Rule A in ICD-O-3, the type of tumor ("sarcoma") indicates origin from a particular tissue, resulting in the primary site code of C49.5 [Inguinal region, NOS] for this sarcoma.

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.

 2002
20020056 Multiple Primaries (Pre-2007)--Bladder: Is a 1998 transitional cell carcinoma of the bladder, followed by a 2001 squamous cell carcinoma of the bladder reportable as a second primary?

For tumors diagnosed prior to 2007:

Yes. This case is reportable as a second primary. The rule in the SEER Program Code Manual says that invasive bladder cancers with histology codes 8120-8130 [papillary, transitional] are always coded as a recurrence and are an exception to the multiple primary rule. Squamous cell carcinoma [8070] is not a part of that exception.

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.

 2002
20021174 Histology (Pre-2007)/Grade, Differentiation--All Sites: When the original pathology reports diagnosis indicates a grade and the review of slides (ROS) pathology report does not give a grade, can you code the histologic type from the ROS and the grade from the original pathology report? See discussion. For example, if the original diagnosis is "poorly differentiated carcinoma" and the ROS diagnosis is "squamous cell carcinoma," would the morphology code be 8070/33?

For tumors diagnosed prior to 2007:

Yes. Code the Histology and Grade, Differentiation fields to 8070/33 [poorly differentiated squamous cell carcinoma]. Code the higher grade when different grades are specified for the same specimen and code the more specific morphology (i.e., squamous cell carcinoma rather than carcinoma, NOS).

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.

 2002
20021003 Multiple Primaries (Pre-2007): Whenever two hollow organs are diagnosed simultaneously with the same histology, one being invasive and the other in situ, can one assume that mucosal spread has occurred and that this situation represents one primary? In the absence of a physician statement, how do you determine mucosal spread from one organ to another?

For tumors diagnosed prior to 2007:

Yes, this type of situation represents one primary. A tumor that is breaking down can be invasive in the center with in situ cancer at the margins. Occasionally the in situ margin can move into a contiguous organ with the same type of epithelium.

Physicians may describe mucosal spread in various manners. You will see the terms "intramucosal extension," "in situ component extending to," or statements of an invasive component in one organ, with adjacent/associated in situ carcinoma in a contiguous organ with the same type of epithelium. A frequent example of this process is bladder cancer extending into the prostatic urethra via mucosal spread.

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.

 2002