Simple Summary Contrast imaging techniques play a pivotal role in the diagnosis and
management of Intrahepatic cholangiocarcinoma (iCCA). There is an increasing interest in …

Gastrointestinal (GI) malignancies encompass a wide range of disease sites, each with its
own unique challenges. In organizing this review, we have chosen to divide the GI system …

1Department of Radiology and Research Institute of Radiology, Asan Medical Center,
University of Ulsan College of Medicine, Seoul, Korea; 2Department of Radiology, Seoul St …

We compared the performance of computed tomography (CT) and magnetic resonance
imaging (MRI) for preoperative clinical staging of mass‐forming intrahepatic …

Objectives To develop a CT-based radiomics model for preoperative prediction of lymph
node (LN) metastasis in perihilar cholangiocarcinoma (pCCA). Methods The study enrolled …

Background Accurate identification of extrahepatic cholangiocarcinoma (ECC) from an
image is challenging because of the small size and complex background structure …

Objective “Diagnostic yield,” also referred to as the detection rate, is a parameter positioned
between diagnostic accuracy and diagnosis-related patient outcomes in research studies …

A time-to-event analysis is an analysis of any dichotomous outcome (ie, events vs. no
events) occurring over time. Survival analysis is used practically as a synonym for timeto …

Background 18F‐fluorodeoxyglucose positron emission tomography/computed tomography
(18F‐FDG‐PET/CT) parameters are prognostic factors in multiple malignancies. However …

1Department of Radiology and Research Institute of Radiology, University of Ulsan College
of Medicine, Asan Medical Center, Seoul, Korea; 2Department of Radiology, Research …