Introduction
CRC, malignancy, stroke, cirrhosis, inadequate bowel, constipation, overweight, Colorectal cancer
OBESE, HYPERTENSION, STROKE, DIABETES MELLITUS, CIRRHOSIS, COLORECTAL CANCER
Colorectal cancer (CRC) is the third most common malignancy and the second leading cause of cancer-related mortality worldwide [Several risk factors have been reported to be associated with inadequate bowel cleaning, such as age, male sex, constipation, diabetes mellitus, hypertension, cirrhosis, and stroke [Polyethylene glycol (PEG) solution is currently the most widely used for bowel cleansing before colonoscopy, and in most west countries, 4 L PEG solution is the standard bowel preparation regimen [Latest guidelines on bowel preparation do not provide recommendations on the appropriate dose of PEG for overweight and obese population [