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SINQ 20180050 and 20130041 appear to have conflicting answers regarding the reportability of MBL with CLL (immuno)phenotype.

While the question content of SINQ 20180050 does not reference the CLL phenotype, it is included in the Discussion as part of the oncologist's assessment. The answer does not address the clinical diagnosis of MBL with CLL-phenotype and simply states that monoclonal B-cell lymphocytosis is not reportable.

SINQ 20130041 does include the CLL phenotype information in the primary question and it is expanded on in the discussion as present in peripheral blood. Based on that information, the answer is that it should be reportable and coded as CLL (9823/3).

The pathology report reads: Urinary bladder, tumor over right ureteral orifice, biopsy: Urinary bladder mucosa (urothelium) and submucosa (lamina propria), with papillary urothelial neoplasm of low malignant potential (previously known as papillary transitional cell carcinoma, grade 1 of 3), no invasion identified.

Patient has biopsy of prostate 12/28/2018 showing Gleason 5+5 adenocarcinoma. Liver biopsy on same date is metastatic small cell carcinoma consistent with prostate primary. Oncology consult states that liver biopsy is likely neuroendocrine conversion from prostate carcinoma. Patient also has bone metastasis and receives radiation, Lupron, Casodex, and chemotherapy of carboplatin and etopiside.

Per Solid Tumor Rules, we code histology from primary site over a metastatic site. Thus, the small cell carcinoma, which appears to be the focus of the chemotherapy is lost. Is it correct to code this as a single primary with an adenocarcinoma histology?

Both SINQ 20130221 and 20180088 instruct us to abstract multiple primaries when patient develops a metastatic small cell carcinoma of the prostate after being previously diagnosed with adenocarcinoma of the prostate.

Patient has a 1.7 cm encapsulated papillary carcinoma staged as pTis located 2 cm from the nipple and Paget disease of the nipple on mastectomy pathology.

There is no indication in Table 3: Specific Histologies, NOS/NST, and Subtypes/Variants that encapsulated papillary carcinoma is a subtype of ductal carcinoma. Rule M8 notes that if the histology of the underlying tumor is any histology OTHER THAN duct or subtypes of duct, one should continue through the rules. But if M9 applies to this case, then incidence reporting will be increased in comparison to prior years.

Patient was diagnosed with Stage IV colon cancer (liver metstasiss) and started on Folfox with Avastin. The medical oncologist decided to continue maintenance treatment with Xeloda and Avastin.

Per Colon NCCN Guidelines Version 3.2019, interest in the use of maintenance therapy approach after first-line treatment of unresectable, metastatic colorectal cancer is growing. In general, this approach involves intensive first-line therapy, followed by less intensive therapy until progression in patients with good response to initial treatment.

Colon Therapy

5/1/18 Colonoscopy biopsy: mod diff colon adenoca, MMR proficient, BRAF wild type

5/5/18 Liver biopsy: mets from colon cancer

6/18/18 " 11/20/2018 Med Onc: started 12 cycles Chemo - Folfox (Fluorouracil, leucovorin, Oxaliplatin) with Avastin

11/28/18 CT Pelvis: continued improvement in the liver mets; no residual tumor involving colon; no new mas or adenopathy in the chest, abdomen or pelvis

12/02/18 Med Onc follow up: Pt had tremendous response to chemotherapy and Avastin, cancer is not curable. Is amenable to maintenance therapy with Xeloda and Avastin; also amenable to descending colectomy in the future

1/7/19 Med Onc: starting maintenance treatment Xeloda + Avastin.

SINQ 20160023 and the Solid Tumor Rules indicate NET G1 (or well differentiated NET) is coded as 8240 and NET G2 is coded as 8249.

Clarification regarding grade coding in the CAnswer Forum indicates well differentiated neuroendocrine tumor refers to the histologic type, and not the grade. Therefore, the term well differentiated is ignored for the purpose of grade coding.

Neither of these sources clarifies how to code histology for a tumor diagnosed as well differentiated neuroendocrine tumor, grade 2.

According to the 2018 SEER Manual, Sentinel Lymph Nodes (SLNs) Examined and SLNs Positive are included in Regional Nodes (RNs) Examined and RNs Positive when both a sentinel node biopsy procedure and a subsequent dissection procedure are performed or a sentinel node biopsy procedure is performed during the same procedure as the regional node dissection.

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.

The physicians do not use the Lugano system as we are instructed to stage chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) as lymphomas. I had always been instructed that this qualifies as "bone marrow involvement," or "diffuse disease," and therefore is a Stage IV. Our experts advise that there is not enough information to code it to bone marrow, but do not elaborate as to whether you can actually code Extent of Disease (EOD), SEER Summary Stage, and AJCC Staging?

7/25/17

Part A: Left breast at 8:00, 5 CFN: Specimen type: Stereotactic biopsy. Tumor type: Ductal carcinoma in situ (DCIS), cribriform type. Tumor size: The largest focus of DCIS measures 1 mm in greatest dimension as measured on the slide. Nuclear grade: 2 (Intermediate grade). Microcalcifications: Present. Other findings: Stromal fibrosis, microcalcification and fat necrosis.

11/1/17

A. Sentinel lymph node, left: One lymph node, negative for metastatic tumor on three levels of routine H\T\E and pan cytokeratin immunohistochemical stains.

B. Left breast: Procedure: Total mastectomy with skin and nipple. Specimen Laterality: Left. Lymph Node Sampling: Yes, portion A. Specimen Integrity: Intact. Histologic Type: Extensive ductal carcinoma in situ and one focus of Invasive ductal carcinoma with mucinous features. Histologic Grade (Nottingham Histologic Score): Glandular Differentiation: Score 3 Nuclear Grade: Score 2. Mitotic Count: Score 1. Total Nottingham score 6 (grade 2, moderately differentiated). Tumor Size: 3.3 x 2 mm (0.33 x 0.2 cm) measured on slide (B3). Tumor Site: Lower inner quadrant of left breast. Tumor Focality: Unifocal. Ductal Carcinoma In Situ (DCIS): Present, cribriform, solid and micropapillary types with focal necrosis and calcifications. Size of DCIS: Number of blocks examined: Thirty (30). Number of blocks with DCIS: Thirteen (13). Lobular Carcinoma In Situ (LCIS): Not identified, Lymphovascular Invasion: Present. Perineural Invasion: Not identified. Other Findings: Changes consistent with previous biopsy site. Cysts, foci of atypical ductal hyperplasia, focal ductal hyperplasia, adenosis, stromal fibrosis and microcalcifications. Skin (epidermis): Uninvolved. Nipple: Uninvolved. Margins: 1 mm from DCIS to the closest deep margin (slide B12). At least 10 mm (1 cm) from invasive carcinoma to deep margin. Estrogen receptor (ER, clone 1D5) by immunohistochemistry performed on this material: Positive (invasive and in situ carcinoma), high intensity, in greater than 95% of carcinoma cells. Progesterone receptor (PR, clone 16) by immunohistochemistry performed on this material: Positive (invasive and in situ carcinoma), moderate intensity in about 80% of the carcinoma cells. Her 2 by FISH performed on this material: Pending, an addendum to follow. Pathologic staging: pT1aN0(sn)MX (AJCC 7th edition). Dictated by: (Pathologist), MD Intradepartmental review.