PVT portal vein thrombosis 

https://journals.lww.com/hep/fulltext/2021/01000/vascular_liver_disorders,_portal_vein_thrombosis,.26.aspx

https://www.journal-of-hepatology.eu/article/S0168-8278(15)00547-4/fulltext

https://www.bsg.org.uk/web-education/anticoagulation-for-portal-vein-thrombosis