Inclusion Criteria:  Aged 18 years old or above; They require elective colonoscopy for colorectal cancer screening, polyp surveillance, or investigation of symptoms such as anemia or gastrointestinal bleeding; Written informed consent obtained.  Exclusion Criteria:  Contraindication to colonoscopy (e.g. intestinal obstruction or perforation) Contraindication or conditions precluding polyp resection (e.g. active gastrointestinal bleeding, significant bleeding tendency, uninterrupted anticoagulation or dual antiplatelets) Scheduled staged procedure for polypectomy or biopsy Previous colonic resection Personal history of colorectal cancer Personal history of polyposis syndrome Personal history of inflammatory bowel disease Advanced comorbid conditions (defined as American Society of Anesthesiologists grade 4 or above) Pregnancy Unable to obtain informed consent