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Report Produced: 12/26/2025 14:09 PM

Report Question ID Question
20081052 Histology: What is the histology code for a soft tissue thigh mass that was diagnosed as Ewing sarcoma/PNET, primitive neuroectodermal tumor?
20091013

Reportability--Skin: Is a "basal cell carcinoma of the skin of the lip with focal skin appendage differentiation" reportable?
20071061 Histology--Melanoma: How is a "malignant melanoma arising in a melanocytic nevus" coded?
20110135

MP/H Rules/Histology--Lung: Per SINQ 20110115, why is micropapillary adenocarcinoma of the lung coded to 8260 [papillary adenocarcinoma] rather than 8050 [papillary carcinoma]?
20130089 MP/H Rules/Histology--Breast: How is the histology coded when a pre-treatment core biopsy showed ductal carcinoma, but the mastectomy specimen following neoadjuvant chemotherapy showed lobular carcinoma? See Discussion.
20071046 Ambiguous Terminology: Why was 60 days chosen for ambiguous terminology?
20190001

EOD 2018/Summary Stage 2018--Brain and CNS: What are the Extent of Disease (EOD) Primary Tumor, EOD Regional Nodes, and Summary Stage 2018 codes for intradural schwannoma of the lumbar spine (L2-L4)? See Discussion.
20200063

Solid Tumor Rules (2021)/Laterality--Melanoma: Will the table called Site for Which Laterality Code Must Be Recorded be updated in the 2021 SEER Program Coding and Staging Manual as C444 is not included? The 2021 Cutaneous Melanoma Solid Tumor Rules say that C444 requires laterality; it says (new) beside it on the new Solid Tumor Rules for 2021.
20180038

Multiple Primaries--Heme & Lymphoid Neoplasms: How many primaries should be reported when a 10/10/2017 skin biopsy identified myeloid sarcoma with monocytic differentiation, clinically stated to be leukemia cutis is followed by an 11/2/2017 BM biopsy showing an evolving high grade myelodysplastic process with atypical monocytes, likely an early evolving acute myeloid leukemia (AML), clinically stated to be a therapy-related AML (9920/3)? See Discussion.
20180095

Solid Tumor Rules (2018)/Histology--Lung: How is histology coded when the term "predominant" is used to describe solid adenocarcinoma, acinar adenocarcinoma, etc.? Pathology reports often say "See Synoptic" (also known as the College of American Pathologists (CAP) protocol) included in the Final Diagnosis rather than including all the detail. Based upon the new Solid Tumor Rules for lung, predominant/predominantly is no longer a subtype/variant and should not be coded unless there is a specific code/subtype-variant for the NOS in Table 3, e.g., adenocarcinoma, lepidic predominant. See Discussion.