Department of Biological Chemistry School and Kapodistrian University of Athens 11527;
1st Department of Internal Medicine Army Share Fund Hospital of Athens 11521;
Beth Israel Deaconess Medical Center 02215 States;
N.S.Christeas Laboratory of Experimental Surgery and Surgical Research School and Kapodistrian University of Athens 11527;
Second Department of Propedeutic Surgery General Hospital School and Kapodistrian University of Athens 11527;
First Department of Pathology School and Kapodistrian University of Athens 11527;
Colorectal cancer; Gut microbiome; IMMUNOTHERAPY; Checkpoint inhibitors; Tumor micro-environment;