Common risk factors in the development of<unk><unk>  include age (50 years or older), female gender, family history of multiple endocrine neoplasia type 1 and neurofibromatosis type 1, atrophic gastritis, pernicious anemia, and Zollinger-Ellison<unk> .
Carcinoid syndrome risk factors
Peptic ulcer risk factors
Skin cancer risk factors
Gastrointestinal varices risk factors
Stomatitis risk factors
Deep vein thrombosis risk factors
Angiodysplasia risk factors
Vulvar cancer risk factors