SEER Inquiry System - Search

Reportability--Skin: Is dermatofibrosarcoma protuberans (DFSP) with fibrosarcomatous transformation synonymous with dermatofibrosarcoma protuberans, fibrosarcomatous, and therefore reportable for diagnosis year 2021 and forward? See Discussion.

Update to Current Manual/Neoadjuvant Treatment: What codes should be used for Neoadjuvant Therapy--Clinical Response and Neoadjuvant Therapy--Treatment Effect when the neoadjuvant therapy is still in progress at the time the case is initially abstracted as with rapid reporting. There is no code for neoadjuvant therapy still in progress and code 9 generates an edit for Neoadjuvant Therapy--Clinical Response.

Diagnostic Confirmation--Heme & Lymphoid Neoplasms--Plasma Cell Myeloma: Can serum protein electrophoresis (SPEP) be used as a definitive diagnostic method in the absence of a bone marrow biopsy? Is it appropriate to assign code 5 (Positive laboratory test/marker study) if there is no histological confirmation? See Discussion.

Reportability--Fallopian Tube: Is a diagnosis of serous tubal intraepithelial neoplasm (neoplasia) (STIN) equivalent to serous tubal intraepithelial carcinoma (STIC)? Does the designation of high or low grade have any effect on potential reportability? See Discussion.

Reportability/Behavior--Paraganglia: Is a 2021+ diagnosis of paraganglioma reportable if the grading of adrenal pheochromocytoma and paraganglioma (GAPP) score falls outside the stated requirements for malignancy? See Discussion.

Solid Tumor Rules (2018, 2021)/Histology--Breast: How is histology coded for a diagnosis ofmixed mucinous carcinoma? See Discussion.

Multiple primaries/Heme & Lymphoid Neoplasms--Lymphoma: Is a 2021 right tongue base biopsy showing diffuse large B-cell lymphoma (DLBCL) (9680/3) a new primary following a prior history of hairy cell leukemia-variant (HCL-v) (9591/3) in 2011? See discussion.

Update to current manual/First course treatment--Neoadjuvant treatment: How are the 2021 neoadjuvant therapy fields coded when neoadjuvant therapy and surgery were part of first course plans but treatment was never completed. See Discussion.

Reportability/Date of diagnosis--Thyroid: Is category Thyroid imaging reporting and data system (TI-RADS) 4 (4a/4b) or TI-RADS 5 on imaging diagnostic of thyroid cancer, and if so, can we use the date of the impression on the scan that states either of these categories as the diagnosis date?

Update to current manual/Lymphovascular invasion: Are lymphvascular invasion and lymphvascular space invasion on a pathology report the same thing or do they describe different things?