SEER Inquiry System - Search

MP/H Rules/Histology/Multiple primaries--GE junction: How is histology coded for a goblet cell carcinoma in the GE junction? See discussion.

Reportability/MP/H Rules/Histology: Is this kidney tumor diagnosis reportable? If so, what is the correct histology? See discussion.

Solid Tumor Rules (2018, 2021)/Histology--Melanoma: How is histology coded for an invasive melanoma with multiple subtype/variants? See Discussion.

Solid Tumor Rules (2018)/Histology--Corpus Uteri: How is histology coded for cases of carcinosarcoma/malignant mixed Mullerian (MMMT) tumor diagnosed 2021 and later? See Discussion.

Histology/Behavior--GI Tract:  What is the difference between high grade dysplasia and severe dysplasia for tumors in the cervix and gastrointestinal (GI) tract? Are these terms synonymous with in situ/behavior code /2?  See Discussion.

First course teatment/Surgery of Primary Site: Is microwave ablation (using heat not alcohol) coded to a surgery code? See Discussion.

Solid Tumor Rules (2018)/Multiple primaries--Prostate: How many primaries should be reported when metastatic small cell carcinoma of the prostate is diagnosed at the same time as adenocarcinoma of the prostate? See Discussion.

Solid Tumor Rules (2018)/Multiple Primaries--Lung: How many primaries should be reported when a patient has a 7/2016 diagnosis of right lower lobe lung mucinous adenocarcinoma, treated with Erlotinib and Avastin? In 4/2020, a liver biopsy finds metastatic high grade neuroendocrine carcinoma, clinically stated to be metastatic lung cancer, with no evidence of a new primary lung tumor on PET (liver the only site of disease)? See Discussion.