A GI polyp is defined as a mass of the mucosal surface protruding into the lumen of the bowel.
Polyps can be neoplastic, non-neoplastic, or submucosal.
Part one as classification of GI Polyposis has been posted on :
http://www.surgerysearch.blogspot.in/
Dr. Jitendra Agrawal
MS; FAIS; FBMS
Kanpur, India