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Background: Although nowadays considered as feasible and effective surgery in terms of short- and long-term results and oncological radicality, laparoscopic right colectomy is performed by a small number of surgeons, and in the vast majority of cases, this technique was performed with an extracorporeal anastomosis. Current literature failed to solve the controversies between intracorporeal and extracorporeal anastomosis after laparoscopic right colectomy. Methods: A multicenter case-controlled study has been designed, including 286 patients who underwent laparoscopic right hemicolectomy with intracorporeal anastomosis (IA) compared with 226 matched patients who underwent laparoscopic right hemicolectomy with extracorporeal anastomosis (EA). Results: There was no significant difference in terms of age, sex, BMI, and ASA score between the two groups. Surgical post history, tumor localization, and stage of disease according to AJCC/UICC TNM were similar too. Although similar oncologic radicality in term of number of lymph nodes harvested (25.7 ± 10.7 of IA group vs. 24.8 ± 8.7 of EA group; p = 0.3), as well as similar operative time (166 ± 43.7 min. in IA group vs. 157.5 ± 67.2 min in EA group) have been registered, time to flatus was statistically lower after intracorporeal anastomosis (40.8 ± 24.3 h in TLRC group vs. 55.2 ± 19.2 h in LARC group; p < 0.001) Laparoscopic colectomy with intracorporeal anastomosis was associated with a lower rate of post-operative complications (OR 0.65, 95 % CI 0.44, 0.95, p = 0.027). However, when stratifying according to clavien classification, the difference was consistently confirmed for less severe (class I and II) complications (OR 0.63, 95 % CI 0.42, 0.94, p = 0.025), but not for class III, IV, and V complications (OR 1.015, 95 % CI 0.64, 1.6, p = 0.95). Conclusion: Our results are encouraging to consider the intracorporeally approach the better way to fashion the anastomosis after laparoscopic right colectomy. This study clearly provides the rationale for a randomized clinical trial, which would be useful to give definitive conclusion. [ABSTRACT FROM AUTHOR]

A letter to the editor about colorectal cancer is presented.

A letter to the editor is presented about a case of simultaneous laparoscopic radical nephrectomy and laparoscopic left hemicolectomy for synchronous renal and sigmoid colon carcinoma.