SEER Inquiry System - Search

MP/H Rules/Histology--Bladder: Is urothelial carcinoma, high-grade, predominantly solid type, coded as 8120/3 or 8230/3? See Discussion.

MP/H Rules/Histology--Lung: What is the correct histology code for this lung tumor? FINAL PATHOLOGIC DIAGNOSIS: CT-guided Rotex and Franseen needle biopsies: Positive for malignancy, consistent with adenocarcinoma. Comment: the adenocarcinoma present also shows rare CD56 staining which indicates a neuroendocrine component.

Is this a mixed histology? 8045/3? 8244/3?

MP/H Rules/Histology/Grade--Unknown & ill-defined sites: What is the correct histology and grade of a liver biopsy with metastatic neuroendocrine carcinoma low to intermediate grade if primary site is unknown? See Discussion.

Grade/Histology--Rectum: How should histology and grade be coded for high grade neuroendocrine tumor (NET) (WHO Grade 3) of the rectum? See Discussion.

2018 Solid Tumor Rules/Histology--Colon: What is the histology code of a diagnosis of well differentiated neuroendocrine tumor (NET), grade 2 of the appendix? See Discussion.

Solid Tumor Rules/Histology--Lung:  What is the histology code for a lung tumor diagnosed as “Minimally invasive adenocarcinoma, mixed mucinous and non-mucinous, grade 1, lepidic-predominant”?  See Discussion.

MP/H Rules/Histology--Lung: What histology code and MP/H Rule applies to the Histologic Type described as adenocarcinoma, mixed invasive mucinous and non-mucinous which involves multiple lung tumors present in a single lobe? See Discussion.

MP/H Rules/Histology--Kidney: What is the correct histology for this diagnosis? See discussion.

Histology/Behavior--Head and Neck: What is the histology code for sinonasal glomangiopericytoma in 2023? See Discussion.