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Reportability is determined from the behavior of the primary tumor and the behavior of implants. If either are malignant, the case is reportable.

The case example does not seem to be reportable, based on the available information. Cancer diagnosis has not been made according to the pathology report.

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.

For tumor diagnosed 2001-2006: Code the Histology field to 8046/3 [non-small cell 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.

There are two primaries according to the information provided.

1. VAIN III March 2001.

2. SCCA of vagina Dec. 2006 (invasive tumor following an in situ

For cases diagnosed 2007 or later, the MP/H rules apply to new tumors, which means that there has been a disease-free interval at some point. In this case, the patient has never been declared disease-free (NED) using the information provided in the question. The consistent recurrence of VAIN is typical of this disease.

For cases diagnosed 1998-2003:

In coding the EOD-Extension field, ignore metastasis that is discovered after the initial workup is completed regardless of the timeframe from diagnosis date until the date the metastatic deposit was discovered. The metastasis is progression of disease.

Any of the following represents progression of disease. Do not code the subsequently identified metastatic involvement in the EOD:

1) The metastatic workup was complete and treatment started before the procedure was done that found the metastatic involvement.

2) A procedure, such as a scan, was negative initially and a repeat of that procedure is now positive.

3) The treatment plan is developed for a localized disease process.

If you are unable to determine whether the newly discovered metastasis represents progression or is part of the initial workup, regard the metastasis as progression. Do not code the metastasis in the EOD-Extension field.

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.

WHO does not list MCN as a histology for the appendix. This case should be clarified with the pathologist.

For pancreas specifically, the term "mucinous cystic neoplasm (MCN) with high grade dysplasia" replaced the term "mucinous cystadenocarcinoma, noninvasive" according to WHO. MCN with high grade dysplasia of the pancreas is reportable because it is used in place of the now obsolete terminology. If we did not make the new terminology reportable, trends over time could be affected.