Background and study aims Esophagogastric variceal bleeding (EGVB) is common in patients with portal vein thrombosis (PVT). Hereditary deficiencies in natural anticoagulant proteins. such as protein S. might contribute to PVT. https://www.spidertattooz.com/Patchwork-Barn-Quilt-Pattern-by-Edyta-Sitar/