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Etiology of Perforation (n = 56).
| Perforated organ | Etiology | n |
|---|---|---|
| Large bowel | Obstruction due to cancer | 10 |
| Cancer treatment-associated cause | ||
| Anastomotic leakage | 5 | |
| Endoscopic submucosal dissection | 1 | |
| Chemotherapy (Nivolumab) | 1 | |
| Cytomegalovirus infection | 1 | |
| Diverticulitis | 8 | |
| Fecal impaction | 8 | |
| Volvulus | 1 | |
| Idiopathic | 1 | |
| Small intestine | Strangulation | 4 |
| Fish bone | 1 | |
| Malignant lymphoma | 1 | |
| Appendix | Appendicitis | 14 |
