Background. Hereditary polyposis syndromes (HPS) are a group of rare genetic diseases characterized by multiple epithelial lesions in the gastrointestinal tract (GIT) with high risk of malignancy and neoplasia development in other localizations. The case follow-up tactics in hereditary polyposes have significant differences. and differential diagnosis can be complicated due to the phe... https://megavitamines.shop/product-category/omega-3/