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SEER Inquiry System - Report
Produced: 02/08/2026 9:54 PM
Question 20250011
Inquiry Details
References:
#1: American College of Radiology LI-RADS Manual. https://www.acr.org/Clinical-Resources/Clinical-Tools-and-Reference/Reporting-and-Data-Systems/LI-RADS
#2: American College of Radiology LI-RADS Manual. https://edge.sitecorecloud.io/americancoldf5f-acrorgf92a-productioncb02-3650/media/ACR/Files/RADS/LI-RADS/LI-RADS-CT-MRI-2018-Core.pdf
Question:
Reportability--Liver: Is a 2023 cholangiocarcinoma case with Liver Imaging Reporting And Data System (LI-RADS) M (LR-M) lesion on imaging reportable?
Discussion:
Answer:
Report LR-M unless there is information to the contrary. The American College of Radiology defines LR-M as "probably or definitely malignant, not necessarily hepatocellular carcinoma (HCC)."
Cancer Site Category:
Liver
Data Item Category:
N/A
Other Category:
Reportability
Year:
2025
