So my mother had a colonoscopy done and she forgot to ask her doctor about the cause of there being hemorrhoid's in the last portion of the small intestine. The last portion is found to be the ileum, because it goes from duodenum, jejunum, to the ileum. Does anyone know the cause of there being hemorrhoid's there? All help appreciated! Thanks!

So my mother had a colonoscopy done and she forgot to ask her doctor about the cause of there being hemorrhoid's in the last portion of the small intestine. The last portion is found to be the ileum, because it goes from duodenum, jejunum, to the ileum. Does anyone know the cause of there being hemorrhoid's there? All help appreciated! Thanks!