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SEER Inquiry System - Report
Produced: 11/24/2025 8:18 PM
Question 20200056
Inquiry Details
References:
WHO Class Digest System Tumors. Tumors of the Gallbladder and extrahepatic bile ducts, on-line version
Question:
Reportability/Histology--Gallbladder: Is Intracholecystic papillary neoplasm (ICPN) with low-grade intraepithelial neoplasia reportable? The primary site is gallbladder.
Discussion:
Answer:
Intracholecystic papillary neoplasm (ICPN) with low-grade intraepithelial neoplasia is not reportable. The WHO assigns a behavior of 0 to these neoplasms.
Cancer Site Category:
Gallbladder
Data Item Category:
Histology
Other Category:
Reportability
Year:
2020
