My son Eric has been told he has a mass in his duodenum of stoamch area. It is at this time pre-cancerous. there were 2 large masses found and one very small, 2 where removed by a advaced gastor doctor at st.louis University Hospital. One they say is too large to remove that way. He is a High risk surgery canidate due to Poor lung function . And renal isssues , He is a 23 year surviver of Ewings sarcoma, and a 21 year bone Marrow transplant . He is now 40 years old and would love to resolve this before it becomes full blown adenocarrcinoma stomach cancer. Any knowledge for us. Thank you.