Varicose veins: Esophageal varices (or oesophageal varices) are extremely dilated sub-mucosal veins in the lower third of the esophagus.
Answered 10/4/2016
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Large veins: Esophageal varices are enlarged veins lying under the lining of the esophagus. Their danger is they may start bleeding, sometimes spontaneously. This shows up as vomiting blood.
Answered 1/19/2016
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