Intracorporeal Versus Extracorporeal Mechanical Anastomosis in Laparoscopic Right Colectomy

Inclusion Criteria: * Age 18 or more * Benign o neoplastic disease of right colon * Elective laparoscopic surgery Exclusion Criteria: * Emergency surgery * Adhesion or infiltration of near organs * Severe heart disease ( New York Heart Association class \> 3 ) * Severe respiratory disease ( arterial PO2 \< 70 torr ) * Severe Liver disease (Child-Pugh class C) * Ongoing infections * Number of plasmatic neutrophil \< a 2.0 x 10 9/L * Other contraindications to laparoscopy