Table 6.
Complications with regard to location and diagnosis
| n | Diagnosis | Minor bleeding | Major bleeding | Perforation | |
| Esophagus | 7 | 3 granular cell tumor | |||
| 1 GIST | |||||
| 2 Premalignant lesions | |||||
| 1 Leiomyoma | |||||
| Stomach | 24 | 4 NETs | 4 | 2 | 1 |
| 2 EGC | 2 | ||||
| 18 Premalignant lesions | |||||
| Small intestine | 4 | 2 Premalignant lesions | |||
| 2 NETs | |||||
| Colon | 25 | 5 ECCs | 3 | 1 | 1 |
| 19 Premalignant lesions | 4 | 3 | |||
| 1 NETs | |||||
| Total | 60 | 13 (21.7%) | 3 (5%) | 5 (8.3%) |
GIST: Gastrointestinal stromal tumor; NET: Neuroendocrine tumor; EGC: Early gastric cancer; ECC: Early colorectal cancer.