SEER Inquiry System - Search

MP/H Rules/Histology--Melanoma: How is the histology coded for an invasive melanoma stated to have a "superficial spreading growth pattern"? See Discussion.

MP/H Rules/Histology: What is the proper histology code -- mucin producing adenocarcinoma or cholangiocarcinoma for the following case? See discussion.

MP/H Rules/Histology--Lung: What is the histology code for lung cancer case identified pathologically from a metastatic site that differs from the histology stated by the physician? See Discussion.

Solid Tumor Rules 2018/Histology--Brain and CNS: How is histology coded for a single meningioma tumor when the histology is a meningioma comprised of multiple specific subtypes/variants? See Discussion.

Solid Tumor Rules (2018)/Histology--Head and Neck: What is the histology of paraganglioma, NOS arising outside of the adrenal gland (for example, in the bladder) for cases diagnosed 1/1/2021 and later? See Discussion.

MP/H Rules/Histology--Bladder: What is the histology code histology code for a bladder TUR that demonstrates mixed invasive urothelial and small cell carcinoma? See Discussion.

MP/H/Histology--Thyroid:  What is the histology code for primary site of thyroid cancer with the histology of papillary thyroid carcinoma, classical and oncocytic type?