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SEER Inquiry System - Report
Produced: 11/03/2025 4:03 AM
Question 20140059
Inquiry Details
References:
ICD-O-3
Question:
Primary site--Bladder: What is the primary site for bladder tumor biopsy: invasive adenocarcinoma, enteric type favor urachal origin, stage III
Discussion:
Answer:
Based on the information provided, code the primary site to urachus (C677). Primary adenocarcinoma of the bladder accounts for less than 1% of all bladder malignancies. Of these, 20–39% are urachal in origin.
Cancer Site Category:
Bladder
Data Item Category:
Primary site
Other Category:
N/A
Year:
2014
