SEER Inquiry System - Search

Solid Tumor Rules/Histology--Fallopian Tube: How is histology coded for a high-grade serous carcinoma with admixed yolk sac tumor of the right fallopian tube? See Discussion.

Reportability/Histology--Heme & Lymphoid Neoplasms: Is a diagnosis of myeloid stem cell disorder or myeloid stem cell neoplasm reportable when the differential diagnosis includes only reportable neoplasms? If so, how should histology be coded? See Discussion.

Reportability/Behavior--Ovary: Is ovarian mucinous borderline tumor with foci of multifocal intraepithelial carcinoma reportable?

Reportability/Histology--Appendix: Is carcinoid of the appendix reportable? If yes, when did this take effect?

Reportability/Behavior: Our registry collects some borderline (behavior /1) cases that are not reportable to SEER or any other standard setters. Can we assign a behavior code of /2 to these cases?

Diagnostic Confirmation--Heme & Lymphoid Neoplasms: How is Diagnostic Confirmation coded for hematopoietic and lymphoid neoplasms (heme) when immunophenotyping, genetics, etc. confirm the diagnosis.

Sequence Number--Central/Reportability--Heme & Lymphoid Neoplasms: Is a hematolymphoid disease included in the sequencing if it was not reportable at the time of diagnosis?

Immunotherapy/Other Therapy--Heme & Lymphoid Neoplasms: Is the elimination of immunosuppression treatment coded as other treatment? An example is when a post-transplant patient develops a malignant myeloproliferative neoplasm that subsides when immunosuppression drugs are stopped.

Reportability--Liver: Is a 2023 cholangiocarcinoma case with Liver Imaging Reporting And Data System (LI-RADS) M (LR-M) lesion on imaging reportable?