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Pathology--Right breast, lumpectomy with needle localization: Encapsulated papillary carcinoma of the breast. A separate focus of ductal carcinoma in situ is present. Sentinel lymph node, right breast, biopsy: One lymph node, negative for malignancy. No metastatic carcinoma is seen on slides stained with immunostain for cytokeratin (AE1/AE3). Specimen laterality: Right. Tumor size: 1.2 cm. Histologic type: Encapsulated papillary carcinoma. Nuclear grade: Grade 1 (low). Mitotic rate: Score 1. Ductal carcinoma in situ (DCIS): DCIS is present. Estimated size (extent) of DCIS: 3 mm. Architectural patterns: Cribriform and papillary. Nuclear grade: grade 1 (low). Necrosis: Not identified. Margins: Margins uninvolved by encapsulated papillary carcinoma. Distance from closest margin: 8 mm, superior Margins uninvolved by DCIS. Distance from closest margin: 11 mm, superior Lymph nodes: Total number of lymph nodes examined (sentinel and nonsentinel): 1. Number of sentinel lymph nodes examined: 1. Number of lymph nodes with tumor cells: 0. Pathologic staging: Primary tumor: See comment. Regional lymph nodes: pN0(i-). Comment: In the WHO Classification of Tumours of the Breast (2012), it is stated that "there is no universal agreement on how to stage encapsulated papillary carcinomas. In the absence of conventional invasive carcinoma, the consensus of the WHO Working Group was that such lesions should be staged and managed as Tis disease."

March 2017 lung biopsy showing metastatic melanoma. Subsequent workup shows imaging with additional metastatic involvement of multiple bone sites but no primary tumor is identified. Chemotherapy is started in May 2017.

July 2017 biopsy of right lower quadrant mass has a final diagnosis of ganglioneuroblastoma and pathologist's comment states I believe that this may represent transdifferentiation of metastatic melanoma. Later, partial colectomy of transverse colon Gross Description indicates this was centered in the mesentery.

Pathology reads: 1. FNA left groin lymph node tissue (smears and cell block): B-cell lymphoma, low grade. The concurrent flow cytometry (3-FC-16-288) identifies a monoclonal B cell population with immunophenotype of CD10++, CD5-, CD23-, CD20++ and unusual CD19-. Overall findings favor follicular lymphoma. FNA Specimen Adequacy: Evaluation for specimen adequacy: Immediate cytology smear review for specimen adequacy was performed at the time of the FNA procedure by pathologist. Smears reviewed from 2 passes in one reading. The specimen was adequate cytological evaluation. Surg Path Final Report Special Studies Immunohistochemistry (CD45, MCK, CD20, CD3, CD10, Bcl6, MUM1 \T\ Ki67) was performed on block 1A to confirm the diagnosis. All controls show appropriate reaction. Lymphoma cells are positive for CD45, CD20, CD10 and weakly positive for bcl6(+) and MUM1(+/-), and negative for MCK. CD3 highlights few T lymphocytes. Ki67 labeling index is low, less than 10%. The immunoprofile supports above diagnosis. Chromosomal study for t(14;18) translocation will be performed, and an addendum report will follow. Flow Final Report Comment: The lymphoma appears to be derived from germinal centre B cells. Together with the findings from the lymph node biopsy (3-FN16-416), follicular lymphoma is favored. However, negative CD19 and CD22 are unusual.

12/30/11 Bladder Biopsy: Diffuse carcinoma in situ of bladder, urothelial cancer at trigone (Stage T1)

1/30/2012 Transurethral resection of the bladder was non-papillary, urothelial carcinoma, focal invasion of lamina propria, staged T1

11/10/14, 9/28/15, 9/26/16, 10/19/17 all had positive bladder cytology of urothelial carcinoma

5/16/16 Left renal pelvis aspirate: positive for malignant cells, urothelial carcinoma

9/26/16 Left renal pelvis aspirate: positive for malignant cells, urothelial carcinoma

10/18/16-11/7/16 Bacillus Calmette-Guerin (BCG) x3 administered into the renal collecting system via ureteral catheter

The hospital registrar reports that the case was identified at the hospital because of the referral for chemotherapy for the metastatic GIST. The records from the out-of-state hospital mentioned a history of a small bowel resection in 2003 for a borderline tumor. The registrar went back through the hospital's old records and found the surgery was done for GIST of low malignant potential at her facility. The question is whether to report the case or not, and if reported, is 2003 the diagnosis date.

The rules say to change the behavior and backdate the diagnosiswhen a tumor is presumed benign and islater diagnosed as malignant. Another problem for this case is that the out-of-state hospital did not review the slides from the 2003 surgery.

Surgery text indicates TAH-BSO with bilateral pelvic and paraaortic lymph node dissection. The pathology report indicates the specimen includes: Uterine corpus, cervix, bilateral ovaries and fallopian tubes, bilateral parametria. The Gross Description also indicates: Representative sections submitted in 16 cassettes as follows: A1: Anterior cervix A2: Posterior cervix A3: Full thickness anterior lower uterine segment A4: Full thickness posterior lower uterine segment A5: Tumor A6-A7: Full thickness anterior endomyometrium to include tumor A8-A10: Full thickness posterior endomyometrium with tumor A11: Representative sections of right fallopian tube and fimbria A12: Representative sections of right ovary A13: Representative sections of left fallopian tube and fimbria A14: Representative sections of left ovary A15: Right parametrial tissue A16: Left parametrial tissue A17-23: Remainder of cervix.

There is a discrepancy in regional lymph nodes for lung between SEER and AJCC. Supraclavicular lymph nodes/cervical lymph nodes are distant for SEER but regional for AJCC. For SEER states, when there is an FNA or biopsy of a supraclavicular lymph node performed and it is positive for a lung primary and no other lymph nodes are examined, do you code 95 in Regional Nodes Positive/Regional Nodes Examined and code "1" for Scope of Regional Lymph Node Surgery or do you not count the FNA/biopsy of the supraclavicular lymph node since it is distant?

The FORDS Manual (pg. 22) states: The first course of treatment includes all methods of treatment recorded in the treatment plan and administered to the patient before disease progression or recurrence. The instructions in the FORDS Manual and clarification from multiple CAnswer Forum posts indicates the planned first course treatment stops following disease progression, even when the first course treatment plan is not altered or changed.

SEER, on the other hand, instructs registrars to do the opposite. The SEER Manual instructs registrars to code all completed treatment given as part of the initial first course treatment plan, even after disease progression, provided the treatment plan is not changed or altered. (See 2016 SEER Manual, Section VII First Course of Therapy, Treatment Timing, Rule 1 and Example 1.)

For consistency in data collection, shouldnt the standard setters use the same guidelines to define first course treatment? Given that the majority of cases are reported to SEER by registrars in CoC facilities, who may not be abstracting treatment modalities that occur after progression, the SEER expectation is likely not able to be performed consistently. Wont this difference in standard setter data collection expectations negatively impact the treatment data reflected on our files?