RECCURENT RECTAL CANCER: R0 RESECTIONS. Issue 2 (February 2022) - Piperos, Theodoros; Varlatzidou, Alexandra; Elefsiniotis, Ioannis; Laschos, Konstantinos; Mpoumpouheropoulos, Sotirios; Sioros, Christos; Mariolis-Sapsakos, Theodoros