Perfusion Evaluation by Real-time Fluorescence-based Enhanced Reality of Anastomosis

Inclusion Criteria: * Patient, male or female, from 18 years old * Patient with sigmoid diverticulosis or diverticulitis * Patient with colon malignancy * Patient with rectum malignancy * Patient with no contraindication to anesthesia and to colonic resection surgery * Patient able to understand the study and to provide informed consent * Patient affiliated to the French social security system Exclusion Criteria: * Patient undergoing emergency surgery * Patient undergoing abdomino-perineal resection * Patient undergoing colonic resection without anastomosis (Hartmann's colostomy) * Patient with proven or unclear allergic reactions * Pregnancy or breast-feeding * Patient in exclusion period (determined by a previous study or in progress) * Patient in custody * Patient under guardianship