Non-invasive diagnosis of variceal bleeding: choose the right target population and identify the right culprit

Hepato-Gastroenterology Department, University Hospital; HIFIH laboratory, Angers University, Angers, France; Hepato-Gastroenterology Department, Yalgado Ouedraogo University Hospital Center, Ouagadougou, Burkina Faso Correspondence to: Paul Calès. Hepatology, CHU, 49933 Angers Cedex 09, France. Email: paul.cales@univ-angers.fr. Provenance and Peer Review: This article was commissioned by the editorial office, Annals of Translational Medicine. The article did not undergo external peer review. Comment on: Li Q, Wu Y, Zhu Q, et al. External validation of Liaoning score for predicting esophageal varices in liver cirrhosis: a Chinese multicenter cross-sectional study. Ann Transl Med 2019;7:755.