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Should LR‐M and LR‐TIV Remain Separate Categories in LI‐RADS?

With inclusion in the 2018 Practice Guidance of the American Association for the Study of Liver Diseases, Liver Reporting & Data System (LI-RADS) experienced a leap forward towards achieving its goal: to standardize the reporting and data collection of imaging for hepatocellular carcinoma (HCC) (1). LI-RADS is unique in contrast to other Reporting and Data Systems in its provision of two special categories, LR-M and LR-TIV: LR-M for observation "probably or definitely malignant but not specific for HCC," and LR-TIV for "unequivocal enhancing soft tissue in vein, regardless of visualization of parenchymal mass" (2). This article is protected by copyright. All rights reserved.