A large body of trials, including large adjuvant phase III trials up to early phase trials was presented during the 2015 European Cancer Congress (ECC). Immunotherapy, was once more in the center of the scientific interest for different types of cancer and settings. This report will focus on some of the key studies presented during the meeting, referring to gastrointestinal cancer.

(BELG J MED ONCOL 2015;9:217–21)