Esophageal varices – Symptoms and causes – Mayo Clinic

Esophageal varices are abnormal, enlarged veins in the tube that connects the throat and stomach (esophagus). This condition occurs most often in people with serious liver diseases. Esophageal varices develop when normal blood flow to the liver is blocked by a clot or scar tissue in the liver. To go around the blockages, blood flows into …

https://www.mayoclinic.org/diseases-conditions/esophageal-varices/symptoms-causes/syc-20351538