Laparoscopic Right Hemicolectomy With Transrectal Specimen Extraction for Colon Cancer

Inclusion Criteria:

1. Biopsy proven colon carcinoma;
2. Imaging diagnosis of T1-3 colon cancer;
3. The tumor located in the cecum, ascending colon, or colonic hepatic flexure;
4. Maximal tumor diameter ≤5 cm;
5. Body mass index (BMI) ≤30 kg/m2;
6. Written informed consent;

Exclusion Criteria:

1. Complete intestinal obstruction;
2. Hepatitis activity and peripheral neuropathy (such as peripheral neuritis, pseudomeningitis, motor neuritis, and sensory impairment);
3. Significant organ dysfunction or other significant diseases, including clinicallyrelevant coronary artery disease, cardiovascular disease, or myocardial infarctionwithin the 12 months before enrollment; severe neurological or psychiatric history;severe infection; active disseminated intravascular coagulation;
4. Pregnancy or breastfeeding;
5. Alcohol abuse or drug addiction;
6. Concurrent uncontrolled medical condition;