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There is no statement of mucinous or non-mucinous in this case, only adenocarcinoma in situ and an obsolete term bronchioloalveolar carcinoma (BAC) which used to be code 8250. However 8250 is now lepidic adenocarcinoma, and does not match this diagnosis.

Although the Histology Rules do include a general note indicating that the preferred term for BAC is now mucinous adenocarcinoma 8253, it is not listed as a synonym in Table 3. As a result it is unclear how to apply this statement in accordance with the H rules.

The ICD-O Histology Updates table also includes Bronchiolo-alveolar carcinoma, non-mucinous which seems to suggest that in order to apply histology code 8252 (non-mucinous) or 8253 (mucinous) one must also have a statement of mucinous or non-mucinous.

Left frontal mass biopsy diagnosis comment states: Given the synaptophysin and patchy CD34 staining of these cells, the possibility of ganglioglioma and pleomorphic xanthoastrocytoma is raised. Astroblastoma and ependymoma were considered given the perivascular pseudorosettes, however GFAP staining is quite limited against these tumors. Reticulin stain shows limited perivascular reticulin staining however. Nevertheless, the necrosis, mitotic activity and elevated mitotic activity would point to a malignant neoplasm. Given the neural and limited GFAP staining, a generic classification of neuroglial is provided.

This is the only available information. Further clarification or discussion with the physician or pathologist is not possible. Therefore, is this diagnosis of neuroglial tumor equivalent to that described in SINQ 20091037?

Pathology Diagnosis: Left temporal lesion - Low grade glial/glioneuronal neoplasm BRAF mutant. Pathologist Comment: The histopathological appearance of this lesion does not allow for a definitive diagnosis. However, the low-grade appearance, fibrillary nature, immunohistochemical profile, and the presence of a BRAF V600E mutation allow this to be categorized as a low-grade glial or possibly glioneuronal tumor. Despite the lack of exact classification this neoplasm can be expected to behave in a very indolent manner consistent with a WHO grade I classification.

Example: Left breast total mastectomy final diagnosis is incidental microscopic findings suspicious for early Paget disease of the nipple. The diagnosis comment states: The left breast mastectomy shows mildly atypical cells within the nipple epidermis which are suspicious for early Paget disease of the nipple. Additional sampling of the left breast was performed, and no evidence of atypical hyperplasia, in situ carcinoma, or invasive carcinoma within the left breast tissue was identified.

Would this case be non-reportable using rationale similar to an early/evolving melanoma per SINQ 20180029?

Example: Lung resection final diagnosis is Lung adenocarcinoma, see Summary Cancer Data, and the Summary Cancer Data (CAP Synoptic Report) states Histologic type: Invasive adenocarcinoma, solid predominant. Other Subtypes Present: 20% acinar and <5% micropapillary components.

Instruction 1B and Note 1 for Coding Multiple Histologies (Lung Histology Rules) indicates type, subtype, component, and predominantly are all terms that may be used to code the most specific histology. In this case, the multiple specific histologies were documented using all of those terms.

Note 2 for instruction 1B states predominantly describes the greatest amount of tumor and when it is used for the listed subtypes of adenocarcinoma, that subtype should be coded. However, Note 2 does not indicate that the other subtypes are ignored when one is identified to be predominant and the others are identified as subtype or component only.

IMPRESSION/PLAN: Patient is a previously healthy middle aged woman with a diagnosis of adenocarcinoma of the rectum, clinical stage II (T3N0M0). We will proceed with a neoadjuvant course of radiation and concurrent chemotherapy (5-FU) to maximize local regional control and survival, and hopefully facilitate a sphincter-sparing resection in the future. The primary tumor and the pelvic nodes at risk will receive 4500 cGy delivered over 25 treatments. The primary tumor will subsequently receive an additional 1080 cGy delivered over 5 treatments, for a cumulative dose of 580 cGy.

PATHOLOGY: Adenocarcinoma of the rectum, clinical stage II (T3N0M0). The patient is referred by (dr) for a neoadjuvant course of chemoradiotherapy.

HPI: Patient presented recently with rectal bleeding and a change in bowel habits. Colonoscopy revealed an ulcerated mass located 4.0 cm above the anal verge. A biopsy was positive for invasive well-differentiated adenocarcinoma that arose from a tubular adenoma. A staging work-up demonstrated no evidence of metastatic disease.

Washington State added to birth certificates, which allows people to have their certificates changed to this non-binary gender designation. Gender X is defined as a gender that is not exclusively male or female, including, but not limited to: intersex, agender, amalgagender, androgynous, bigender, demigender, female-to-male, genderfluid, genderqueer, male-to-female, neutrois, nonbinary, pangender, third sex, transgender, transsexual, Two Spirit, and unspecified.