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The patient is a 34 year old who presented with testicular pain radiating into the abdomen approximately 1 month before orchiectomy in 2018. CT abdomen/pelvis: Multiple focal sclerotic bone lesions. Given the lack of change from July 2014, these are likely benign bone islands. No adenopathy mentioned. He has no prior history of germ cell tumor nor any surgery for any tumor/cancer before this. Pathology: Testis, left, radical orchiectomy: - Demarcated scar tissue (1.3 cm), with atrophic seminiferous tubules and cortical bone consistent with burnt-out germ cell tumor. No evidence of germ cell neoplasia in situ (GCNIS). - Margins are unremarkable.

I understand that we are to record the Clinical Tumor Size in Tumor Size Summary because of the neoadjuvant therapy, but the SEER manual does not address what to record in the Pathologic Tumor Size after neoadjuvant therapy. Would we record 999 or the size of the in-situ tumor in the Pathologic Tumor Size field? Will there ever be a new data item added or changes to this current data item? By recording the Patholigic Tumor Size this way, there currently will not be any way to compare tumor size clinically versus after neoadjuvant therapy and assessing the response.

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.

Patient has a history of breast cancer and diffuse large B-cell lymphoma (DLBCL), both treated with chemotherapy and radiation.

On 6/26/19, bone marrow biopsy: MDS with excess blasts-2 (18% dysplastic blasts) in a normocellular marrow (overall 40% cellularity) with trilineage dysplasia. Comment: least myelodysplastic syndrome with excess blasts-2. However, an early/evolving AML cannot be completely excluded. The findings likely represent therapy-related myeloid neoplasm.

MD note on 7/15/19: Diagnosis: MDS, high grade borderline AML with complex karyotype secondary disease. Patient has high grade MDS which is bordering on AML transformation with 20% blasts by IHC and areas higher than this. This is likely secondary to the treatment she has received for her other cancers particularly pelvic radiation for her DLBCL. Given her very high IPSS score, it is likely she will eventually develop AML. No treatment given.

On 7/15/19, bone marrow biopsy: Persistent acute leukemia in a marrow with trilineage dyspoiesis and 23% blasts.

Appendix E1 of the 2018 SEER manual references a similar diagnosis as being reportable for vulva and vagina only. However, the WHO Classification of Tumors of the Urinary System and Male Genital Organs (4th ed) does include high grade penile intraepithelial neoplasia as a synonym for 8077/2.

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.

Example: Operative report documents a left breast skin sparing mastectomy and sentinel node biopsy procedure. Pathology report lists left axillary sentinel nodes in specimen A) with 0/2 nodes positive, and left breast mastectomy without axilla in specimen B) yielding an additional 0/2 intramammary nodes positive. Would the Scope of Regional Node Surgery be coded as 2 (SLN biopsy) to capture the intent of the sentinel node procedure only, or 6 (code 2 + 4) to capture the actual type and number of nodes removed?

SEER Coding and Staging Manual includes Scope of Regional Lymph Node Surgery instruction 4.b. which mentions assigning code 4 to intra-organ node removal. Similarly, there is instruction for coding SLN biopsy as code 2 and SLN biopsy with axillary dissection at the same time (code 6) or during separate procedures (code 7). However, it is not clear this combination code is how we should also capture an incidental intra-organ node removal.

In addition to the issue mentioned above, there is a SINQ answer that conflicts with the 2018 ICD-O-3 Histology Update table. SINQ 20130134 indicates indolent systemic mastocytosis is reportable for cases diagnosed 2010 and forward. There is no date restriction indicating the SINQ note applies only for cases diagnosed 2010-2017. Since indolent systemic mastocytosis was changed to borderline (9741/1) for diagnosis year 2018+, should the diagnosis year range be updated for this SINQ answer?

We previously downloaded the 8/22/2018 ICD-O-3 histology update tables which included the note, not reportable for 2018, for both of these terms (with an updated histology 8071/2). SINQ 20180020 confirms differentiated penile and vulvar intraepithelial neoplasia are NOT reportable for 2018 (as does 20160069). However, when looking at the 8/22/2018 ICD-O-3 histology update table today, the not reportable for 2018 comment has been removed and it appears these two terms are reportable. Which is correct?