Table 1.
Patients’ characteristics (n = 8).
| Case | Age (year) | Sex | BMI (kg/m2) | ASA | Medical history | Abdominal operation history | Tumor location | Histological type | Preoperative treatment history | Stage* |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 51 | Male | 23.5 | 2 | None | None | Sigmoid colon | tub1 | EMR | Ⅰ |
| 2 | 53 | Male | 22.8 | 1 | None | None | Descending colon | tub1 | EMR | Ⅰ |
| 3 | 62 | Female | 23.1 | 1 | None | 2 | Sigmoid colon | tub1 | EMR | Ⅰ |
| 4 | 73 | Female | 22.6 | 1 | Cervical cancer | None | Cecum | tub1 | None | 0 |
| 5 | 67 | Female | 16.9 | 2 | None | None | Sigmoid colon | tub1 | EMR | Ⅰ |
| 6 | 83 | Male | 21.0 | 2 | Hypertension, Cerebral infarction | 1 | Descending colon | tub1 | None | Ⅰ |
| 7 | 66 | Female | 28.9 | 1 | Dyslipidemia | None | Ascending colon | tub1 | EMR | Ⅰ |
| 8 | 63 | Male | 18.2 | 1 | None | None | Sigmoid colon | tub1 | None | Ⅰ |
BMI: Body mass index. ASA: American Society of Anesthesiologists.
EMR: Endoscopic mucosal resection.
*
Clinical stage is classified by UICC-8 staging.