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Report Produced: 10/07/2026 22:51 PM

Report Question ID Question Discussion Answer Cancer Site Category Data Item Category Year
20100027 Reportability: Is AIN III reportable if it arises in the perianal skin? See Discussion. Physical exam states patient has a suspicious area of anal skin. Operative findings show a raised, suspicious lesion in the right perianal region. Our interpretation of the primary site would be skin and therefore not reportable. However, the final diagnosis on the pathology report indicates "AIN III/squamous cell carcinoma with focal areas suspicious for microinvasion. "SINQ #20041056 states that AIN III is reportable. AIN III of the anus or anal canal (C210-C211) is reportable. AIN III (8077) arising in perianal skin (C445) is not reportable. N/A N/A 2010
20100031

First course treatment--Anus: Is the topical application of trichloroacetic acid to an anal condyloma with AIN III first course treatment coded to 10 [Local tumor destruction, NOS] in the Surgery of Primary Site field?

Code the trichloroacetic acid treatment of reportable AIN III in the "Other Therapy" field. Assign code 1 [Other].

 N/A First course treatment 2010
20110058 Date of diagnosis/Flag: Will the Date of Diagnosis Flag ever be used if the instructions for coding Date of Diagnosis are followed? See Discussion.

If an abstractor follows the instructions for coding the Date of Diagnosis and can at least estimate a year of diagnosis, in what scenario will the Flag be used?

Per the 2010 SEER Manual,

Page 49 Date of Diagnosis, second paragraph, "Regardless of the format, at least Year of diagnosis must be known or estimated. Year of diagnosis cannot be blank or unknown." The manual gives the following guidelines for coding diagnosis date/flag:

Page 50, Coding Instructions:

3. If no information about the date of diagnosis is available

a. Use the date of admission as the date of diagnosis

b. In the absence of an admission date, code the date of first treatment as the date of diagnosis.

Page 51, Coding Instructions:

9. Estimate the date of diagnosis if an exact date is not available. Use all information available to calculate the month and year of diagnosis.

Page 53, Date of Diagnosis Flag, Coding Instructions:

Always leave blank. Date of Diagnosis will always be a full or partial date recorded.

 The date of diagnosis flag should always be blank. N/A Date of diagnosis 2011
20091015 MP/H Rules/Histology--Gallbladder: What histology is coded for a tumor described as "90% high grade neuroendocrine ca, large cell type; and 10% low grade adenocarcinoma, conventional type"?

For cases diagnosed 2007 or later:

MP/H Rule H17 for Other Sites applies. Code the histology 8140 [adenocarcinoma].

The ICD-O-3 code for large cell neuroendocrine carcinoma is 8013 and the code for adenocarcinoma is 8140.

 N/A Histology 2009
20110071 Primary site: How is this field coded for an adenocarcinoma arising in a chronic perianal fistula without extension to the anal canal, but stated to arise in "ectopic rectal tissue"? See Discussion.

The patient underwent a resection of a perineal mass. Per review of slides it was stated to be "primary mucinous adenocarcinoma arising in a chronic perianal fistula." The adenocarcinoma was invasive into the dermal connective tissue and skeletal muscle, but there was no extension into the anal canal. The discharge diagnosis from the reporting facility called this adenocarcinoma of "ectopic rectal tissue in perianal area."

Should the primary site be coded to skin based on the dermal involvement and lack of anal or rectal involvement? Or, should the primary site be coded to rectum based on the physician's assessment that this adenocarcinoma arose in ectopic rectal tissue?

For cases diagnosed 2007-2014:

Code the Primary Site field to C210 [Anus, NOS]. This is an unusual and rare presentation. According to our expert pathologist, "There is no ideal site code [for] this case. I would code to C210. In this location it can at least be located by anyone who wants to get a look at such lesions. Because of the unusual location of this tumor, I would like to be able to code it to perineum, but it will be totally lost in those site codes as they represent extensive areas beyond perianal (skin of trunk, soft tissue of pelvis, and pelvis, respectively)... I would not code to rectum [because it would be] lost among too many primary rectal carcinomas."

 N/A Primary site 2011
20110093

Residence at dx: After living elsewhere (Florida) and traveling around the country in an RV with his spouse, is a patient a resident of this area for either primary if he was diagnosed with his first primary less than a month after arriving in the area and a second primary more than a year after parking his RV here?

Use the patient's usual residence to determine residency. If the usual residence is not known or the information is not available, use the residence the patient specifies at the time of diagnosis. The SEER rules for determining "usual residence" match the rules used by the US Census Bureau.

 N/A Residence at dx 2011
20031205 EOD-Pathologic Review of Number of Regional Lymph Nodes Positive and Examined: How are these fields coded when an autopsy report reveals pathologically involved regional lymph nodes but does not state how many nodes were positive nor how many were examined? See Description. A final autopsy report described widely disseminated adenocarcinoma, probably lung primary. Metastatic tumor in brain, lungs, and in lymph nodes. The Gross description of the autopsy report stated that there were numerous metastases to hilar and mediastinal lymph nodes. The Micro description of the autopsy report did not add any clarification. In the absence of a stated number of lymph nodes, the options for coding number of regional lymph nodes examined are codes 96-98. These codes include descriptions of surgical procedures such as sampling and dissection. How do we code number of regional lymph nodes examined when the pathological examination of lymph nodes was done only at autopsy and not during a surgical procedure?

For cases diagnosed 1998-2003: The rules that apply to the use of pathology reports for EOD coding also apply to autopsy reports.

When a cancer diagnosis is made and positive lymph nodes are discovered on autopsy, in the absence of a stated number of lymph nodes, code the number of lymph nodes positive to 97 [Positive nodes but number of positive nodes not specified]. Code the number of lymph nodes examined to 97 [Regional lymph node removal documented as dissection and number of lymph nodes unknown/not stated]. An autopsy is a dissection.

 N/A N/A 2003
20031206 EOD-Extension: How is this field coded for synchronous primaries when metastatic disease is found and there is no statement to indicate which primary is the source of the metastases? See Description. Patient was diagnosed with both esophageal and pancreatic cancer. Liver metastases were also identified. The source of the liver mets is unknown. For cases diagnosed 1998-2003: Search the record for information about the source of the metastasis. If no such information can be found, code the metastasis to both primaries. Update the abstracts when information becomes available confirming the primary site responsible for the metastasis. Assuming the liver metastases in the example above are distant (i.e. not contiguous) code extension as 85 [Metastasis]. N/A N/A 2003
20031210 Other Cancer-Directed Therapy--Hematopoietic, NOS: Is there a hierarchy for selecting which code to use when a patient receives more than one type of "other treatment"? See Description. Patient was diagnosed with Myelodysplastic Syndrome, probably refractory cytopenia with multilineage dysplasia. Good candidate for investigational studies for transfusion-dependent patients. Patient was enrolled in a high dose vitamin D study. Patient also received transfusions.

SEER has not established a hierarchy of the codes listed under Other Treatment. If the patient receives more than one type of other treatment as the first course of treatment, assign the code that provides the most information about how the patient was treated and use the remarks fields to explain.

Code Other Treatment for the case example above as 2 [Other experimental therapy]. Use the remarks fields to describe the transfusions and vitamin D therapy.

 N/A Other therapy 2003
20041003 EOD-Size of Tumor: How is this field coded when the only description is "greater then 10 cm?" For cases diagnosed 1998-2003: When the only information available is a statement such as "Greater than 10 cm," code tumor size 101 [10.1 cm]. N/A N/A 2004