<unk>  from the upper tract occurs in 50 to 150 per 100,000 adults per year. It is more common than lower<unk>  which is estimated to occur at the rate of 20 to 30 per 100,000 per year. Risk of bleeding is more common in males and increases with age.
Gastrointestinal bleeding
Internal bleeding
Lower gastrointestinal bleeding
Upper gastrointestinal bleeding
Enteropathy
Rectal bleeding
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