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The SEER Coding and Staging Manual instructs one to code the primary site to the location where the tumor originated, in this case the liver. However, there is no CS Extension code for in situ tumors found in the CS Manual Liver Schema.

We were previously told that papillary microcarcinoma is coded to 8260 (papillary thyroid carcinoma) and not papillary microcarcinoma (8341). That is an area of confusion. 

2021-Right pleural fluid:  Negative for carcinoma.

5/18/2021: Right iliac crest bone marrow core biopsy, aspirate smear, clot section and peripheral blood smear:  Hypercellular bone marrow, morphological findings are suspicious for a myeloproliferative neoplasm. Flow Cytometry: Slight immunophenotypic abnormalities of the myeloid cells. No abnormal B cell, T cell, or NK cell populations identified. Normal female karyotype. KARYOTYPE: 46,XX[20]. Negative for deletion of 13q14.3 (D13S319) by FISH. Negative for deletion of 13q34 (LAMP1) by FISH. Negative for hyperdiploidy involving chromosome 9 by FISH. Negative for t(9;22)(q34;q11.2) by FISH. Negative for deletion of the EGR1 gene on 5q31 by FISH. Negative for monosomy 5 by FISH. Negative for deletion of 7q31 by FISH. Negative for monosomy 7 by FISH. Negative for deletion of 20q12 by FISH. Negative for trisomy of chromosome 8 by FISH.

6/4/21-Left adrenal; biopsy: poorly-differentiated malignant neoplasm with extensive necrosis. Immunohistochemical stains show the neoplastic cells to be negative for CK7, TTF-1 and p63. Negative CK7 and TTF-1 would argue against a lung primary. Correlation with clinical and radiological findings is advised.

We are unable to contact the provider.

Under the hematopoietic data base, treatment for polycythemia vera shows chemotherapy, immunotherapy, and phlebotomy. Essential thrombocytopenia shows blood thinners, anti-clotting medications, aspirin, chemotherapy, immunotherapy, and other therapy (Anagrelide) (for essential thrombocythemia only) and watchful waiting (for asymptomatic patients). Myelodysplastic syndrome shows bone marrow transplant, chemotherapy, immunotherapy, and stem cell transplant.

SEER*RX under warfarin says: Per the 2012 Hematopoietic and Lymphoid Neoplasm Case Reportability and Coding Manual (page 10), blood thinners and/or anti-clotting agents are to be coded as treatment (Other Therapy) for the following histologies: 9740/4 Mast cell sarcoma 9741/3 Systemic mastocytosis 9742/3 Mast cell leukemia 9875/3 Chronic myelogenous leukemia BCR/ABL 1 positive 9950/3 Polycythemia vera 9961/3 Primary myelofibrosis 9962/3 Essential thrombocythemia 9963/3 Chronic neutrophilic leukemia 9975/3 Myelodysplastic/myeloproliferative neoplasm, unclassifiable.

Patient had a skin biopsy and this is the interpretation: NASAL SUPRATIP: INVASIVE BASAL CELL CARCINOMA OF SKIN WITH NEUROENDOCRINE DIFFERENTIATION

NOTE: The deep margin is positive for tumor; peripheral margins negative for tumor. The tumor has a basaloid appearance with focal areas appearing slightly squamoid, and it demonstrates myxoid/mucinous retraction from the stroma. It does not demonstrate peripheral palisading of cells within tumor nests and has nuclear chromatin which suggests neuroendocrine differentiation. Mitotic rate is more brisk than typical basal cell carcinoma as well. The differential diagnosis includes basal cell carcinoma with or without neuroendocrine differentiation, basal cell carcinoma with squamous differentiation, basaloid squamous cell carcinoma, Merkel cell carcinoma and metastatic small cell carcinoma. The tumor is further characterized per immunostains x 9 (controls work well). Tumor cells are positive for Ber EP4 and p63; focally positive for Chromagranin; while negative for EMA, CK20, CK7, TTF-1, CD56 and Synaptophysin. Overall, the staining pattern supports basal cell carcinoma with neuroendocrine differentiation.

Patient had a core needle biopsy of the right acetabulum. Final diagnosis on the path report is: Atypical cartilaginous tumor (formerly chondrosarcoma, grade 1).

Is this cell type reportable? If so, is it reportable only because the pathologist recorded clarifying text in parentheses? If the text in the parentheses was not available, is the histology "atypical cartilaginous tumor" reportable?

Patient was diagnosed with DCIS of the left breast in June 2014. The patient had a simple mastectomy with 2 axillary lymph nodes removed. The final diagnosis was intermediate to high grade ductal carcinoma in situ, predominantly micropapillary type, forming a 1.4 cm mass. No invasive carcinoma identified. Margins negative. In April 2017, the patient was found to have parietoccipital bone lesions, which were resected. The resulting diagnosis was metastatic carcinoma, morphologically consistent with breast primary " See Comment: The previous breast lesion is not available for review at the time of signout. However, the tumor is morphologically compatible with a breast primary.

SINQ 20110111 would not make this is new primary. However, it seems that rule M8 might apply. An invasive tumor following an in situ tumor more than 60 days after diagnosis is a multiple primary. See Note 2: Abstract as multiple primaries even if the medical record/physician states it is recurrence or progression of disease.