J Korean Soc Radiol.  2023 Jan;84(1):34-50. 10.3348/jksr.2022.0136.

Lung Imaging Reporting and Data System (Lung-RADS) in Radiology: Strengths, Weaknesses and Improvement

Affiliations
  • 1Department of Radiology, Research Institute of Clinical Medicine of Jeonbuk National UniversityBiomedical Research Institute of Jeonbuk National University Hospital, Jeonbuk National University and Medical School, Jeonju, Korea

Abstract

In 2019, the American College of Radiology announced Lung CT Screening Reporting & Data System (Lung-RADS) 1.1 to reduce lung cancer false positivity compared to that of Lung-RADS 1.0 for effective national lung cancer screening, and in December 2022, announced the new Lung-RADS 1.1, LungRADS 2022 improvement. The Lung-RADS 2022 measures the nodule size to the first decimal place compared to that of the Lung-RADS 1.0, to category 2 until the juxtapleural nodule size is < 10 mm, increases the size criterion of the ground glass nodule to 30 mm in category 2, and changes categories 4B and 4X to extremely suspicious. The category was divided according to the airway nodules location and shape or wall thickness of atypical pulmonary cysts. Herein, to help radiologists understand the Lung-RADS 2022, this review will describe its advantages, disadvantages, and future improvements

Keyword

Lung Neoplasms; Tomography; X-Ray Computed; Cancer Screening; Quality Control
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