SEER Inquiry System - Search

Primary Site: What site code best reflects the final diagnosis of a metastatic "pancreatobiliary" adenocarcinoma to the liver? See Discussion.

Primary site--Anus/Anal Canal: What site do you code squamous cell carcinoma of the anal verge?

Primary site--Bladder: What is the primary site for bladder tumor biopsy: invasive adenocarcinoma, enteric type favor urachal origin, stage III

Primary site--Brain and CNS: How is the primary site to be coded if a clinician used an MRI to diagnose a left cerebellar venous angioma? See Discussion.

Primary site--Breast: Patient was diagnosed with invasive ductal carcinoma of the left breast. Site of mass is 2:00 to 3:00. What is the correct site code, C504 upper outer quadrant (UOQ) or C50.8 (overlapping)?

Primary site--Breast: how is subsite coded for a breast cancer when it is described as central portion between 1-3:00 or central portion at 12:00?

Primary site--Colon: What is the correct topography code for appendiceal orifice? See Discussion.

Primary site--Esophagus: How is primary site coded for a tumor arising in a segment of the esophagus that was reconstructed using a segment of the colon? See Discussion.

Primary site--Head & Neck: Are cases with positive cervical lymph nodes that are EBV positive (EBV+) coded to the nasopharynx, and cases with positive cervical lymph nodes that are p16 positive (p16+) coded to the oropharynx, when no primary site is identified? See Discussion.

Primary site--Head & Neck: When there is invasive in one subsite and in situ in another, do you code the subsite with the invasive only? Would the correct site be C320, C328, or C329? See discussion.