SEER Inquiry System - Search

First Course of Treatment/Surgery of Primary Site--Melanoma: How do you code UVB therapy treatment for melanoma?

Reportability--Skin: Is early/evolving lentigo maligna reportable?

Solid Tumor Rules (2018)--Breast: How many primaries are accessioned when a prophylactic mastectomy reveals a final diagnosis of invasive tubular carcinoma, but the College of American Pathologists (CAP) Protocol includes ductal carcinoma in situ (DCIS) sized separately and it is not clear if these are different tumors? See Discussion.

Primary site--Colon: What is the correct topography code for appendiceal orifice? See Discussion.

Reportability/Behavior: Is myxoinflammatory fibroblastic sarcoma (MIFS) reportable for 2018? This histology is on the 2018 ICD-O-3 histology update list with a behavior code of /1. See discussion.

Reportability/Histology: Is a focal high grade squamous intraepithelial lesion (HSIL/moderate to severe dysplasia/VIN II-III) in the vulva reportable for cases diagnosed in 2018? See discussion.

Solid Tumor Rules (2018)/Histology--Corpus uteri: What is the correct histology code for "Mesophrenic-like adenocarcinoma" of the corpus uteri?" See Discussion.

Marital Status: Is Marital Status always a self-reported status? See Discussion.

MP/H Rules/Histology--Brain and CNS: How should histology be coded for the following 2017 cases (pituitary adenoma vs. prolactinoma)? See Discussion.

Primary site--Pancreas: Is the uncinate process of the pancreas coded to C259, C250, or C257?