In Austria, adenocarcinoma of the gastroesophageal transition is diagnosed in about 500 people every year. At the same time, this is the type of tumor with by far the highest increase. Sebastian Schoppmann, Department of Surgery (Head M. Gnant) of MedUni Vienna and AKH Vienna, Head of the Gastroesophageal Tumor Unit of CCC and the present study: “The increase is alarmingly high. According to a study, one in 100 men in Europe will suffer from AEG in 2030. It is therefore particularly important to treat risk factors such as reflux early enough and to stop others, such as excessive alcohol consumption and smoking”.