Gastrointestinal bleeding is a serious complication of gastric pathology, causing bleeding in the stomach lining leading to vomiting blood, bloody stools. If not detected and treated promptly, it can lead to death.

Epigastric pain and black stools are warning signs of many dangerous diseases. Therefore, patients need to be very careful with these symptoms, should go to the doctor for accurate diagnosis and timely treatment intervention.

Many stomach pain patients abuse pain relievers to get rid of the pain quickly but can cause many unwanted consequences.

Biliary tract bleeding is an injury to the biliary tract and causes bleeding. There are many causes of biliary tract bleeding, most of which are due to diseases and damage to the liver. Treatment of biliary tract bleeding includes surgical treatment.

Digital background subtraction imaging and embolization of arteriovenous malformations is a modern technique, specifically applied in the diagnosis of vascular malformations through light adjustment techniques combined with interventional treatment of vascular malformations.