A Study to Evaluate the Efficacy and Safety of Local administration of Indocyanine Green in Surgery for Colorectal Neoplasm

Interventions: Off-label use of indocyanine green for detecting sentinel lymph nodes during surgery of colorectal cancer;indocyanine green Primary outcome(s): Rate of subjects with resection line changed from baseline due to ICG fluorescence Study Design: single arm study, open(masking not used), uncontrolled control, single assignment, treatment purpose