SEER Inquiry System - Search

Solid Tumor Rules/Histology--Prostate: Other Sites Solid Tumor RulesTable 3 (Prostate Histologies), Note 1 in the Adenocarcinoma with neuroendocrine differentiation (8574/3) row, conflicts with Note 2 and requires further clarification. See Discussion.

Solid Tumor Rules/Histology--Cutaneous Melanoma: How is histology coded for a 2023 diagnosis of “early lentiginous melanoma in situ” of the skin? See Discussion.

MP/H Rules/Histology--Sarcoma: What would be the morphology code for a low grade myofibroblastic sarcoma of the left distal forearm? I tried several different combinations but the closest I could come up with is myosarcoma.

Solid Tumor Rules/Histology--Uterine Corpus:  How is histology coded for an epithelioid and myxoid leiomyosarcoma of the myometrium?  See Discussion.

Solid Tumor Rules 2018/Histology--Testis: What is the histology code for a 2018 diagnosis of left testis tumor diagnosed as mixed germ cell tumor with secondary malignant components: primitive neuroectodermal tumor (PNET) and rhabdomyosarcoma? 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.

Solid Tumor Rules/Histology--Brain and CNS: What is the histology code for angiocentric glioma? See Discussion.

Histology--Heme & Lymphoid Neoplasms: How should histology be coded for final bone marrow diagnosis of myelodysplastic syndrome with excess blasts? See Discussion.

Tumor Size--Pathologic/EOD 2018: How is Tumor Size--Pathologic coded when Extent of Disease (EOD) Primary Tumor is 800 (No evidence of primary tumor) and there has been no surgery to the primary site? See Discussion.